Subtract 80/98 from 21/48
21/48 - 80/98 is -297/784.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 98 is 2352
Next, find the equivalent fraction of both fractional numbers with denominator 2352 - For the 1st fraction, since 48 × 49 = 2352,
21/48 = 21 × 49/48 × 49 = 1029/2352 - Likewise, for the 2nd fraction, since 98 × 24 = 2352,
80/98 = 80 × 24/98 × 24 = 1920/2352 - Subtract the two like fractions:
1029/2352 - 1920/2352 = 1029 - 1920/2352 = -891/2352 - After reducing the fraction, the answer is -297/784
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