Subtract 20/8 from 12/98, Solve 12/98

Subtract 20/8 from 12/98

1^st number: 12/98, 2^nd number: 2 4/8

12/98 - 20/8 is -233/98.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 8 is 392

Next, find the equivalent fraction of both fractional numbers with denominator 392
For the 1st fraction, since 98 × 4 = 392,
12/98 = 12 × 4/98 × 4 = 48/392
Likewise, for the 2nd fraction, since 8 × 49 = 392,
20/8 = 20 × 49/8 × 49 = 980/392
Subtract the two like fractions:
48/392 - 980/392 = 48 - 980/392 = -932/392
After reducing the fraction, the answer is -233/98

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