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3 Answers

the LCD of    3 / 4   -   2 / 5   is   20.

changing to similar fractions, we got:   15 / 20  -  8 / 20   =  7 / 20

by Level 4 User (5.6k points)
1/5 is the correct answer.
by

we got:   15 / 20  -  8 / 20   =  7 / 20

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