Subtract 90/56 from 49/21
1st number: 2 7/21, 2nd number: 1 34/56
49/21 - 90/56 is 61/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
49/21 = 49 × 8/21 × 8 = 392/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
90/56 = 90 × 3/56 × 3 = 270/168 - Subtract the two like fractions:
392/168 - 270/168 = 392 - 270/168 = 122/168 - After reducing the fraction, the answer is 61/84
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