Subtract 12/30 from 8/98, Solve 8/98

Subtract 12/30 from 8/98

8/98 - 12/30 is -78/245.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 30 is 1470

Next, find the equivalent fraction of both fractional numbers with denominator 1470
For the 1st fraction, since 98 × 15 = 1470,
8/98 = 8 × 15/98 × 15 = 120/1470
Likewise, for the 2nd fraction, since 30 × 49 = 1470,
12/30 = 12 × 49/30 × 49 = 588/1470
Subtract the two like fractions:
120/1470 - 588/1470 = 120 - 588/1470 = -468/1470
After reducing the fraction, the answer is -78/245

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