Subtract 15/7 from 42/98
1st number: 42/98, 2nd number: 2 1/7
42/98 - 15/7 is -12/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 7 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 98 × 1 = 98,
42/98 = 42 × 1/98 × 1 = 42/98 - Likewise, for the 2nd fraction, since 7 × 14 = 98,
15/7 = 15 × 14/7 × 14 = 210/98 - Subtract the two like fractions:
42/98 - 210/98 = 42 - 210/98 = -168/98 - After reducing the fraction, the answer is -12/7
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