Subtract 21/98 from 10/56
10/56 - 21/98 is -1/28.
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,
10/56 = 10 × 7/56 × 7 = 70/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
21/98 = 21 × 4/98 × 4 = 84/392 - Subtract the two like fractions:
70/392 - 84/392 = 70 - 84/392 = -14/392 - After reducing the fraction, the answer is -1/28
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