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What is step by step onehalf x+ one fourth x=12?

asked Jan 5, 2013 in PRE-ALGEBRA by angel12 Scholar

1 Answer

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Best answer
Answer:

x/2 +x/4 =12

we can get the common denominator as 4 which divide both 2 and 4,

2x/4+x/4 =12

(2x+x)/4 =12

cross product, (2x+x) =48

3x=48

x= 48/3

x=16
answered Jan 6, 2013 by Brian1983 Novice
selected Jan 8, 2013 by angel12
Please explain, how to find the common denominator?

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