Subtract 54/8 from 81/98
1st number: 81/98, 2nd number: 6 6/8
81/98 - 54/8 is -1161/196.
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,
81/98 = 81 × 4/98 × 4 = 324/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
54/8 = 54 × 49/8 × 49 = 2646/392 - Subtract the two like fractions:
324/392 - 2646/392 = 324 - 2646/392 = -2322/392 - After reducing the fraction, the answer is -1161/196
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