Subtract 10/7 from 90/25, Solve 3 15/25

Subtract 10/7 from 90/25

1^st number: 3 15/25, 2^nd number: 1 3/7

90/25 - 10/7 is 76/35.

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,
90/25 = 90 × 7/25 × 7 = 630/175
Likewise, for the 2nd fraction, since 7 × 25 = 175,
10/7 = 10 × 25/7 × 25 = 250/175
Subtract the two like fractions:
630/175 - 250/175 = 630 - 250/175 = 380/175
After reducing the fraction, the answer is 76/35
In mixed form: 26/35

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