SOLUTION: What number must be added to both the numerator and the denominator of the fraction (2/5) to get the fraction (7/8)?

SOLUTION: What number must be added to both the numerator and the denominator of the fraction (2/5) to get the fraction (7/8)?

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Question 628568: What number must be added to both the numerator and the denominator of the fraction (2/5) to get the fraction (7/8)?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

Multiply both sides by

check answer:

The left side is

OK
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