Explain adition fraction when the denomenator are the same and different?
914209
In fraction if the denominators are the same, just add the numerators and copy the denominators, then reduce to lowest term as needed.\n\nExample: 1/2 + 3/2 = 4/2 or 2\nThe numerators are 1 and 3,  adding them will give 4. Then just copy the denominator which is 2. That makes it 4/2, which you need to reduce to lowest term. So 4 divided by 2  (to reduce to the lowest term) so the answer is  2.\n\nIf the denominators are different, then find a common denominator (the least number that can be divided by both denominators) then divide it with the denominator and multiply with the numerator. Then when your numbers are already expressed on fraction with the least common denominator, proceed to adding the numerators and copy the denominator.  \n\nExample:\n\n1/2 + 2/3   (the common denominator will be 6)\n>>1/2 becomes >> 6 divided by 2 = 3  X 1 = 3 -->> 3/6\n>>2/3 becomes >> 6 divided by 3 = 2  X 2 = 4 -->> 4/6\n\nProceed to addition:\n3/6 + 4/6 = 7/6 (divide 7 by 6 to get the lowest term) = 1 and 1/6 is the answer.\n\nGood luck!♥
257168
I'm pretty sure it's the same as multiplying 2 fractions.  You just multiply across the top, then across the bottom, or in w/e order you like, and what you get is your answer.
438041
Since they r similar,\n\nDivide the Area of the larger cylinder by the smaller one,\n49(3.142)/25(3.142) to receive proportionality\n\n= 1.96\n\nTherefore 1.96 * volume smaller cylinder,\n\n1.96*50(3.142) = 307.8 = 98(3.142) [The Volume of the larger cylinder]
229858
if you had an inverse variation, then x*y would always be the same number.\n\nif you had a direct variation, then x/y (or y/x) would always be the same number.\n\nonce you know which variation you have, then use the equations y=kx (for direct) and y=k/x (for inverse) to find the relation
978114
find a common denominator.
18064
(5/x-2)+(4/x+2)\nI suspect that x-2 is one denom and x+2 is the other denom.\n\n[5/(x-2)] +[4/(x+2)]\nMultiply the denoms to get a common denom; leave it in factored form to make things easier for the time being. \nMultiply each numerator by the OTHER denom --> \n5(x+2) = 5x + 10 \n4(x-2) = 4x -8 \nADD the new numerators --> 9x +2 \nMultiply to get the denom --> \n(x-2)(x+2) = x^2 -4 \n\nPut the parts together for your final fraction.
380575
2/3\n5/6\n2/3\nequal\n3/5\n\nYou can solve these by drawing diagrams and seeing which is bigger, or you can create fractions with equal denominators by finding the LCM and then compare
736482
you find the multiple of each of the denominators and look for the first ones that are the same.  ie..\n1/4, 1/5\n4=4,8,12,16,20\n5=5,10,15,20\nthus 20 is the lcd
312034
writing it as a quotient means writing it as a division, as a fraction:\n\n(n*1)/5
892111
Two denominators are 5 and 2.\n\nThe rules to remember:\n(1) If these two have no factors in common, then you multiply them to get LCD. Since 2 and 5 have no common factors,\nmultiply them to get LCD = 10\nCheck your work:\nDivide each one back into 10 to get 2 and 5.\nSince 2 and 5 have no common factors, that is correct.\n[If you made a mistake and picked 20,\ndividing that by 5 and 2 gives you 4 and 10\nwhich have a common factor of "2" so this is not the "lowest."\nYou would divide your wrong answer by "2" to get 10.\nAnd test again to make sure that is the lowest.\n\n(2) If one number divides evenly into the other,\nthen choose the bigger number as the LCD for both.\nSo for 10 and 2, the LCD is 10.\nFor 35 and 5, the LCD is 35.\nCheck your work:\nDivide LCD 10 by 10 and 2 to get 1 and 5 (no common factors),\nor 35 by 35 and 5 to get 1 and 7 (no common factors).\nSo LCD is proven to be "Lowest" common denominator. \n\n(3) If both numbers have a common factor, but are not multiples,\nfind the greatest common factor and write that to the side.\nThen compare what is left, repeat the steps above,\nand multiply to get your final answer.\n\nSo for denominators 18 and 45.\nGCF = 9.  So compare 2 and 5.  LCD of 2 and 5 is 10.\nLCD of 2 and 5 = 10 then multiply by 9 to get\nLCD of 18 and 45 = 90 (and check your work:\n90 / 18 = ?  90 / 45 = ? Are these the lowest? Or is there a common factor? If so, reduce your answer by that factor)\n\nDenominators 20 and 15, GCF = 5. So compare 4 and 3.\nLCD of 4 and 3 = 12 then multiply by 5 to get\nLCD of 20 and 15 = 60 (check your work)
189182
You use cross multiplication.\n1/2, 5/8, 6/*, 3/4 \n\nYou multiply the numerator of one fraction to the denominator of the other fraction you're comparing it with. For example, you cross multiply 1/2 and 5/8.\n\n1*8 = 8 so lets say 1/2 got 8\n5*2= 10 so 5/8 got 10. Therefore, 5/8 is greater than 1/2
791245
First factor the denominator: (2x + 1)(x - 2)\n\nYour partial fractions will be A/(2x+1) + B/(x-2)\n\nMultiply the first fraction by (x-2)/(x-2) and the \nsecond by (2x+1)/(2x+1) to get the common denom.\n\nSo you have A(x-2) + B(2x+1) all over (x-2)(2x+1)\n\nThis is Ax - 2A + 2Bx + B all over 2x^2 - 3x - 2, the same denominator you started with, so the numerators must also be equal.\n\nSo,  A + 2B = 11 \nand -2A + B = -7\n\nMultiply the top by 2 and add it to the bottom to eliminate A\n\n5B = 15  therefore B = 3\n\nPlug this in to get A: A + 2(3) = 11; A = 5\n\nYour partial fractions are now 5/(2x+1) + 3(x-2)\n\nHope that makes sense and I didn't do any typos
952176
Presumably you mean\n(x^2)/(x + 2) - 4(/x + 2)\nSince the denominators are the same, you can add the numerators without modifying them:\n(x^2 - 4)/(x + 2)\nFactor the numerator to get\n(x - 2)(x + 2)/x+2)\n(x + 2)/x+2) = 1 so you are left with\n(x - 2)\n\nIf you post this question under philosophy, you can probably get many different answers to why this is.  Because it works is mine.
197616
As the denominator is the same, you simply have to choose for the numerator three numbers whose sum is 10 (in fact 10/10 =1)\n\nYou have these different choices:\n\n1+1+8  ---> 1/10;1/10;8/10\n1+2+7  ---> 1/10;2/10;7/10\n1+3+6  ---> (and so on)\n1+4+5\n2+2+6\n2+3+5\n2+4+4\n3+3+4
407989
Just cross of like terms in the numerator and the denominator and see what is left.  like in the first problem the numerator and the denominator share two two's and a 3, so by crossing them off you are left with 4/7.  You can do that since 2/2 is one, and likewise with other similar fractions, and when you multiply by one you always get the same fraction.
525632
Numerators and denominators are parts of a fraction, and usually only contain whole numbers.\n\nThe word denominator descends from the same word "denomination" does.  It simply means "what type".  In this case, it is referring to what type of a fraction (or piece) of the number one we are considering. Are we talking about pieces that are a third of the number one, that are a sixteenth of the number one, that are a fiftieth of the number one?  The denominator tells you how many total pieces of what you have you would need to have one whole unit of whatever you're talking about.  That's all it does.\n\nThe numerator, on the other hand, tells you the number of those pieces you actually have.  So, if you are talking about sixteenths of the number one, and you have four of them, you have four sixteenths of the number one, or just simply 4/16.\n\nSo, the denominator tells you how many pieces you need to make the number one, and the numerator tells you how many pieces of that size you actually have on hand.\n\nThe method we use to write them down is simply short-hand, because it is much easier to write 3/8 than it is to write out "three out of eight pieces needed to make one".
944009
A decimal fraction will have 10 or a multiple of 10 as denominator.