Subtract 35/7 from 20/25, Solve 20/25

Subtract 35/7 from 20/25

1^st number: 20/25, 2^nd number: 5 0/7

20/25 - 35/7 is -21/5.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 7 is 175

Next, find the equivalent fraction of both fractional numbers with denominator 175
For the 1st fraction, since 25 × 7 = 175,
20/25 = 20 × 7/25 × 7 = 140/175
Likewise, for the 2nd fraction, since 7 × 25 = 175,
35/7 = 35 × 25/7 × 25 = 875/175
Subtract the two like fractions:
140/175 - 875/175 = 140 - 875/175 = -735/175
After reducing the fraction, the answer is -21/5

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