Subtract 42/50 from 72/56, Solve 1 16/56

Subtract 42/50 from 72/56

1^st number: 1 16/56, 2^nd number: 42/50

72/56 - 42/50 is 78/175.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 50 is 1400

Next, find the equivalent fraction of both fractional numbers with denominator 1400
For the 1st fraction, since 56 × 25 = 1400,
72/56 = 72 × 25/56 × 25 = 1800/1400
Likewise, for the 2nd fraction, since 50 × 28 = 1400,
42/50 = 42 × 28/50 × 28 = 1176/1400
Subtract the two like fractions:
1800/1400 - 1176/1400 = 1800 - 1176/1400 = 624/1400
After reducing the fraction, the answer is 78/175

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