Subtract 42/35 from 9/25, Solve 9/25

Subtract 42/35 from 9/25

1^st number: 9/25, 2^nd number: 1 7/35

9/25 - 42/35 is -21/25.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 35 is 175

Next, find the equivalent fraction of both fractional numbers with denominator 175
For the 1st fraction, since 25 × 7 = 175,
9/25 = 9 × 7/25 × 7 = 63/175
Likewise, for the 2nd fraction, since 35 × 5 = 175,
42/35 = 42 × 5/35 × 5 = 210/175
Subtract the two like fractions:
63/175 - 210/175 = 63 - 210/175 = -147/175
After reducing the fraction, the answer is -21/25

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