Subtract 56/36 from 42/25, Solve 1 17/25

Subtract 56/36 from 42/25

1^st number: 1 17/25, 2^nd number: 1 20/36

42/25 - 56/36 is 28/225.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 36 is 900

Next, find the equivalent fraction of both fractional numbers with denominator 900
For the 1st fraction, since 25 × 36 = 900,
42/25 = 42 × 36/25 × 36 = 1512/900
Likewise, for the 2nd fraction, since 36 × 25 = 900,
56/36 = 56 × 25/36 × 25 = 1400/900
Subtract the two like fractions:
1512/900 - 1400/900 = 1512 - 1400/900 = 112/900
After reducing the fraction, the answer is 28/225

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