Subtract 72/25 from 60/42, Solve 1 18/42

Subtract 72/25 from 60/42

1^st number: 1 18/42, 2^nd number: 2 22/25

60/42 - 72/25 is -254/175.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 25 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 42 × 25 = 1050,
60/42 = 60 × 25/42 × 25 = 1500/1050
Likewise, for the 2nd fraction, since 25 × 42 = 1050,
72/25 = 72 × 42/25 × 42 = 3024/1050
Subtract the two like fractions:
1500/1050 - 3024/1050 = 1500 - 3024/1050 = -1524/1050
After reducing the fraction, the answer is -254/175

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