Subtract 81/56 from 72/49
1st number: 1 23/49, 2nd number: 1 25/56
72/49 - 81/56 is 9/392.
Steps for subtracting fractions
- 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,
81/56 = 81 × 7/56 × 7 = 567/392 - Subtract the two like fractions:
576/392 - 567/392 = 576 - 567/392 = 9/392
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