Subtract 42/25 from 3/36, Solve 3/36

Subtract 42/25 from 3/36

1^st number: 3/36, 2^nd number: 1 17/25

3/36 - 42/25 is -479/300.

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

Next, find the equivalent fraction of both fractional numbers with denominator 900
For the 1st fraction, since 36 × 25 = 900,
3/36 = 3 × 25/36 × 25 = 75/900
Likewise, for the 2nd fraction, since 25 × 36 = 900,
42/25 = 42 × 36/25 × 36 = 1512/900
Subtract the two like fractions:
75/900 - 1512/900 = 75 - 1512/900 = -1437/900
After reducing the fraction, the answer is -479/300

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