Subtract 90/7 from 5/25, Solve 5/25

Subtract 90/7 from 5/25

1^st number: 5/25, 2^nd number: 12 6/7

5/25 - 90/7 is -443/35.

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,
5/25 = 5 × 7/25 × 7 = 35/175
Likewise, for the 2nd fraction, since 7 × 25 = 175,
90/7 = 90 × 25/7 × 25 = 2250/175
Subtract the two like fractions:
35/175 - 2250/175 = 35 - 2250/175 = -2215/175
After reducing the fraction, the answer is -443/35

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