Subtract 81/98 from 4/27
4/27 - 81/98 is -1795/2646.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 98 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 27 × 98 = 2646,
4/27 = 4 × 98/27 × 98 = 392/2646 - Likewise, for the 2nd fraction, since 98 × 27 = 2646,
81/98 = 81 × 27/98 × 27 = 2187/2646 - Subtract the two like fractions:
392/2646 - 2187/2646 = 392 - 2187/2646 = -1795/2646
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