Subtract 56/98 from 15/42
15/42 - 56/98 is -3/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
15/42 = 15 × 7/42 × 7 = 105/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
56/98 = 56 × 3/98 × 3 = 168/294 - Subtract the two like fractions:
105/294 - 168/294 = 105 - 168/294 = -63/294 - After reducing the fraction, the answer is -3/14
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