Subtract 15/98 from 21/63
21/63 - 15/98 is 53/294.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 98 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 63 × 14 = 882,
21/63 = 21 × 14/63 × 14 = 294/882 - Likewise, for the 2nd fraction, since 98 × 9 = 882,
15/98 = 15 × 9/98 × 9 = 135/882 - Subtract the two like fractions:
294/882 - 135/882 = 294 - 135/882 = 159/882 - After reducing the fraction, the answer is 53/294
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