Subtract 28/98 from 7/84
7/84 - 28/98 is -17/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 98 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
7/84 = 7 × 7/84 × 7 = 49/588 - Likewise, for the 2nd fraction, since 98 × 6 = 588,
28/98 = 28 × 6/98 × 6 = 168/588 - Subtract the two like fractions:
49/588 - 168/588 = 49 - 168/588 = -119/588 - After reducing the fraction, the answer is -17/84
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