Subtract 81/8 from 7/98
1st number: 7/98, 2nd number: 10 1/8
7/98 - 81/8 is -563/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
7/98 = 7 × 4/98 × 4 = 28/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
81/8 = 81 × 49/8 × 49 = 3969/392 - Subtract the two like fractions:
28/392 - 3969/392 = 28 - 3969/392 = -3941/392 - After reducing the fraction, the answer is -563/56
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