Subtract 10/54 from 12/98, Solve 12/98

Subtract 10/54 from 12/98

12/98 - 10/54 is -83/1323.

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,
12/98 = 12 × 27/98 × 27 = 324/2646
Likewise, for the 2nd fraction, since 54 × 49 = 2646,
10/54 = 10 × 49/54 × 49 = 490/2646
Subtract the two like fractions:
324/2646 - 490/2646 = 324 - 490/2646 = -166/2646
After reducing the fraction, the answer is -83/1323

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