Subtract 27/54 from 40/98, Solve 40/98

Subtract 27/54 from 40/98

40/98 - 27/54 is -9/98.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 54 is 2646

Next, find the equivalent fraction of both fractional numbers with denominator 2646
For the 1st fraction, since 98 × 27 = 2646,
40/98 = 40 × 27/98 × 27 = 1080/2646
Likewise, for the 2nd fraction, since 54 × 49 = 2646,
27/54 = 27 × 49/54 × 49 = 1323/2646
Subtract the two like fractions:
1080/2646 - 1323/2646 = 1080 - 1323/2646 = -243/2646
After reducing the fraction, the answer is -9/98

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