Subtract 9/21 from 6/98
6/98 - 9/21 is -18/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 21 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
6/98 = 6 × 3/98 × 3 = 18/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
9/21 = 9 × 14/21 × 14 = 126/294 - Subtract the two like fractions:
18/294 - 126/294 = 18 - 126/294 = -108/294 - After reducing the fraction, the answer is -18/49
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