Subtract 15/18 from 72/49, Solve 1 23/49

Subtract 15/18 from 72/49

1^st number: 1 23/49, 2^nd number: 15/18

72/49 - 15/18 is 187/294.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 18 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 49 × 18 = 882,
72/49 = 72 × 18/49 × 18 = 1296/882
Likewise, for the 2nd fraction, since 18 × 49 = 882,
15/18 = 15 × 49/18 × 49 = 735/882
Subtract the two like fractions:
1296/882 - 735/882 = 1296 - 735/882 = 561/882
After reducing the fraction, the answer is 187/294

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