Subtract 15/98 from 12/21
12/21 - 15/98 is 41/98.
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,
12/21 = 12 × 14/21 × 14 = 168/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
15/98 = 15 × 3/98 × 3 = 45/294 - Subtract the two like fractions:
168/294 - 45/294 = 168 - 45/294 = 123/294 - After reducing the fraction, the answer is 41/98
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