Subtract 63/36 from 42/50, Solve 42/50

Subtract 63/36 from 42/50

1^st number: 42/50, 2^nd number: 1 27/36

42/50 - 63/36 is -91/100.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 36 is 900

Next, find the equivalent fraction of both fractional numbers with denominator 900
For the 1st fraction, since 50 × 18 = 900,
42/50 = 42 × 18/50 × 18 = 756/900
Likewise, for the 2nd fraction, since 36 × 25 = 900,
63/36 = 63 × 25/36 × 25 = 1575/900
Subtract the two like fractions:
756/900 - 1575/900 = 756 - 1575/900 = -819/900
After reducing the fraction, the answer is -91/100

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