Subtract 9/42 from 10/98, Solve 10/98

Subtract 9/42 from 10/98

10/98 - 9/42 is -11/98.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 42 is 294

Next, find the equivalent fraction of both fractional numbers with denominator 294
For the 1st fraction, since 98 × 3 = 294,
10/98 = 10 × 3/98 × 3 = 30/294
Likewise, for the 2nd fraction, since 42 × 7 = 294,
9/42 = 9 × 7/42 × 7 = 63/294
Subtract the two like fractions:
30/294 - 63/294 = 30 - 63/294 = -33/294
After reducing the fraction, the answer is -11/98

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