Subtract 21/98 from 90/56
1st number: 1 34/56, 2nd number: 21/98
90/56 - 21/98 is 39/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 98 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 56 × 7 = 392,
90/56 = 90 × 7/56 × 7 = 630/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
21/98 = 21 × 4/98 × 4 = 84/392 - Subtract the two like fractions:
630/392 - 84/392 = 630 - 84/392 = 546/392 - After reducing the fraction, the answer is 39/28
- In mixed form: 111/28
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