Subtract 10/84 from 7/98
7/98 - 10/84 is -1/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 84 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 98 × 6 = 588,
7/98 = 7 × 6/98 × 6 = 42/588 - Likewise, for the 2nd fraction, since 84 × 7 = 588,
10/84 = 10 × 7/84 × 7 = 70/588 - Subtract the two like fractions:
42/588 - 70/588 = 42 - 70/588 = -28/588 - After reducing the fraction, the answer is -1/21
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