Subtract 21/98 from 6/8
6/8 - 21/98 is 15/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 98 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
6/8 = 6 × 49/8 × 49 = 294/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
21/98 = 21 × 4/98 × 4 = 84/392 - Subtract the two like fractions:
294/392 - 84/392 = 294 - 84/392 = 210/392 - After reducing the fraction, the answer is 15/28
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