Subtract 54/56 from 72/49, Solve 1 23/49

Subtract 54/56 from 72/49

1^st number: 1 23/49, 2^nd number: 54/56

72/49 - 54/56 is 99/196.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 56 is 392

Next, find the equivalent fraction of both fractional numbers with denominator 392
For the 1st fraction, since 49 × 8 = 392,
72/49 = 72 × 8/49 × 8 = 576/392
Likewise, for the 2nd fraction, since 56 × 7 = 392,
54/56 = 54 × 7/56 × 7 = 378/392
Subtract the two like fractions:
576/392 - 378/392 = 576 - 378/392 = 198/392
After reducing the fraction, the answer is 99/196

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