Subtract 6/4 from 98/81
1st number: 1 17/81, 2nd number: 1 2/4
98/81 - 6/4 is -47/162.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 4 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
98/81 = 98 × 4/81 × 4 = 392/324 - Likewise, for the 2nd fraction, since 4 × 81 = 324,
6/4 = 6 × 81/4 × 81 = 486/324 - Subtract the two like fractions:
392/324 - 486/324 = 392 - 486/324 = -94/324 - After reducing the fraction, the answer is -47/162
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