Subtract 14/21 from 20/98
20/98 - 14/21 is -68/147.
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,
20/98 = 20 × 3/98 × 3 = 60/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
14/21 = 14 × 14/21 × 14 = 196/294 - Subtract the two like fractions:
60/294 - 196/294 = 60 - 196/294 = -136/294 - After reducing the fraction, the answer is -68/147
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