Subtract 21/7 from 35/25, Solve 1 10/25

Subtract 21/7 from 35/25

1^st number: 1 10/25, 2^nd number: 3 0/7

35/25 - 21/7 is -8/5.

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,
35/25 = 35 × 7/25 × 7 = 245/175
Likewise, for the 2nd fraction, since 7 × 25 = 175,
21/7 = 21 × 25/7 × 25 = 525/175
Subtract the two like fractions:
245/175 - 525/175 = 245 - 525/175 = -280/175
After reducing the fraction, the answer is -8/5

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