Subtract 81/21 from 3/98
1st number: 3/98, 2nd number: 3 18/21
3/98 - 81/21 is -375/98.
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,
3/98 = 3 × 3/98 × 3 = 9/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
81/21 = 81 × 14/21 × 14 = 1134/294 - Subtract the two like fractions:
9/294 - 1134/294 = 9 - 1134/294 = -1125/294 - After reducing the fraction, the answer is -375/98
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