Subtract 12/21 from 10/98
10/98 - 12/21 is -23/49.
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,
10/98 = 10 × 3/98 × 3 = 30/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
12/21 = 12 × 14/21 × 14 = 168/294 - Subtract the two like fractions:
30/294 - 168/294 = 30 - 168/294 = -138/294 - After reducing the fraction, the answer is -23/49
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