What steps are involved in finding a common denominator for the following?
1/3 + 3/4 = ?
27 comments:
Anonymous
said...
Multiply the two denominators together. 3x4=12 The common denominator is 12. You change the fractions 1/3 and 3/4 to 4/12 and 9/12. You add them together and you get the answer 13/12 or 1 1/2 (:
First, find the LCM of 4 & 3. (your denominators. Next, take the LCM (12) and make that your denominator for both numbers. then, multiply the numerator by the same number you multiplied your denominator to get 12.Yay!
you find the least common multiple and then you see how many times the denomenator of the first denomenator will go into the other one and then times that by the nomerator and then add or subtrack it
you find the least common multiple and then you see how many times the denomenator of the first denomenator will go into the other one and then times that by the nomerator and then add or subtrack it
First you want to find a like denominator,then you add the numbers together and you have a unlike fraction and then you change it to a like fraction and your awnser is 1/12.
First you have to find the least common multiple of four and three.Then when you have it you times your denominater until it equals the LCM.Do the same for the next one of the fractions.You have to times your numerator the same you did to the denominator.Then you have it now you subract the to fractions and theres your ansewer(Thats how you find the whole ansewer not just the LCM but the first couple directions were to find the common denomater.).The common denomater is 12 out of those two. Jack B.
To finding a common denomimntator for those numbers is simple. Just get the two denominator and muliply them together. The answer would be 12 sooooooooo one common denominator for 1/3 and 3/4 is 12.
27 comments:
Multiply the two denominators together.
3x4=12
The common denominator is 12.
You change the fractions 1/3 and 3/4 to 4/12 and 9/12.
You add them together and you get the answer 13/12 or 1 1/2
(:
1/3 + 3/4
1. Find the least common multiple. (12)
YOU WOULD WRITE THE MULIPLES OUT ON A PAPER LIKE SO...
3: 3,6,9,12,15,18,21,24,27,30
4: 4,8,12,16,20,24,28,32,36
THE COMMONS ARE:12,24
THE LCM:12
WHICH WOULD BE THE DENOMINATOR!!!
I think the awnser is 1/12. Robin
you find the gcf of the denominators
ashlynn h
multiply 1\3*4= 4\12
multiply 3\4*3= 9\12
you find what the first common denominator which is 12
you find what the first common denominator which is 12
multiply 1\3*4= 4\12
multiply 3\4*3= 9\12
Least common multiply,times the numerator.
-cierra p
First, find the LCM of 4 and 3.
That will be 12.
You times 3 by 4 and 4 by 3.
Then you multiply there numerators by the same number!!
Karoline
First, find the LCM of 4 and 3.
That will be 12.
You times 3 by 4 and 4 by 3.
Then you multiply there numerators by the same number!!
Karoline
First, find the LCM of 4 & 3. (your denominators. Next, take the LCM (12) and make that your denominator for both numbers. then, multiply the numerator by the same number you multiplied your denominator to get 12.Yay!
you simplify.
you find the least common multiple and then you see how many times the denomenator of the first denomenator will go into the other one and then times that by the nomerator and then add or subtrack it
First find the least common multiple of 4 and 3. Then when you find the LMC by multiplying 4 and 3 wich is 12.
you find the least common multiple and then you see how many times the denomenator of the first denomenator will go into the other one and then times that by the nomerator and then add or subtrack it
you find the least commom multiple and then you times the numerator by the same number as the denomerator.
First you want to find a like denominator,then you add the numbers together and you have a unlike fraction and then you change it to a like fraction and your awnser is 1/12.
You simplify the denominators
4/12
you simplify the denominators
You simplify the denominators
First you have to find the least common multiple of four and three.Then when you have it you times your denominater until it equals the LCM.Do the same for the next one of the fractions.You have to times your numerator the same you did to the denominator.Then you have it now you subract the to fractions and theres your ansewer(Thats how you find the whole ansewer not just the LCM but the first couple directions were to find the common denomater.).The common denomater is 12 out of those two. Jack B.
First you find the LMC for 4 and 3 by multiplying 4 and 3 wich is 12
JACOB H
the anser 10/12 eric.s
1/3 + 3/4
To finding a common denomimntator for those numbers is simple. Just get the two denominator and muliply them together. The answer would be 12 sooooooooo one common denominator for 1/3 and 3/4 is 12.
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