Subtract 49/98 from 5/21
5/21 - 49/98 is -11/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
5/21 = 5 × 14/21 × 14 = 70/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
49/98 = 49 × 3/98 × 3 = 147/294 - Subtract the two like fractions:
70/294 - 147/294 = 70 - 147/294 = -77/294 - After reducing the fraction, the answer is -11/42
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