Subtract 10/72 from 60/42, Solve 1 18/42

Subtract 10/72 from 60/42

1^st number: 1 18/42, 2^nd number: 10/72

60/42 - 10/72 is 325/252.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 42 × 12 = 504,
60/42 = 60 × 12/42 × 12 = 720/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
10/72 = 10 × 7/72 × 7 = 70/504
Subtract the two like fractions:
720/504 - 70/504 = 720 - 70/504 = 650/504
After reducing the fraction, the answer is 325/252
In mixed form: 173/252

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