Subtract 20/8 from 3/49, Solve 3/49

Subtract 20/8 from 3/49

1^st number: 3/49, 2^nd number: 2 4/8

3/49 - 20/8 is -239/98.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 8 is 392

Next, find the equivalent fraction of both fractional numbers with denominator 392
For the 1st fraction, since 49 × 8 = 392,
3/49 = 3 × 8/49 × 8 = 24/392
Likewise, for the 2nd fraction, since 8 × 49 = 392,
20/8 = 20 × 49/8 × 49 = 980/392
Subtract the two like fractions:
24/392 - 980/392 = 24 - 980/392 = -956/392
After reducing the fraction, the answer is -239/98

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