Subtract 6/98 from 7/21
7/21 - 6/98 is 40/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
7/21 = 7 × 14/21 × 14 = 98/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
6/98 = 6 × 3/98 × 3 = 18/294 - Subtract the two like fractions:
98/294 - 18/294 = 98 - 18/294 = 80/294 - After reducing the fraction, the answer is 40/147
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