Subtract 25/72 from 49/42, Solve 1 7/42

Subtract 25/72 from 49/42

1^st number: 1 7/42, 2^nd number: 25/72

49/42 - 25/72 is 59/72.

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,
49/42 = 49 × 12/42 × 12 = 588/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
25/72 = 25 × 7/72 × 7 = 175/504
Subtract the two like fractions:
588/504 - 175/504 = 588 - 175/504 = 413/504
After reducing the fraction, the answer is 59/72

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