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What is the answer to 5/7 + 1/4
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5 votes
What is the answer to 5/7 + 1/4

User Jarnojr
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2 Answers

7 votes
5/7 + 1/4 = 20/28 + 7/28 = 27/28
User Houqp
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8.5k points
3 votes
Let's look at the two denominators:
7= 7
4= 4
LCM(7,4)= 4*7= 28

5/7+ 1/4
= (5*4)/ (7*4)+ (1*7)/ (4*7)
= 20/28+ 7/28 (common denominator is 28)
= 27/28

The final answer is 27/28~
User Justin Tilson
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8.1k points
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