Subtract 20/98 from 12/15, Solve 12/15

Subtract 20/98 from 12/15

12/15 - 20/98 is 146/245.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 98 is 1470

Next, find the equivalent fraction of both fractional numbers with denominator 1470
For the 1st fraction, since 15 × 98 = 1470,
12/15 = 12 × 98/15 × 98 = 1176/1470
Likewise, for the 2nd fraction, since 98 × 15 = 1470,
20/98 = 20 × 15/98 × 15 = 300/1470
Subtract the two like fractions:
1176/1470 - 300/1470 = 1176 - 300/1470 = 876/1470
After reducing the fraction, the answer is 146/245

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