Subtract 42/32 from 30/98, Solve 30/98

Subtract 42/32 from 30/98

1^st number: 30/98, 2^nd number: 1 10/32

30/98 - 42/32 is -789/784.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 32 is 1568

Next, find the equivalent fraction of both fractional numbers with denominator 1568
For the 1st fraction, since 98 × 16 = 1568,
30/98 = 30 × 16/98 × 16 = 480/1568
Likewise, for the 2nd fraction, since 32 × 49 = 1568,
42/32 = 42 × 49/32 × 49 = 2058/1568
Subtract the two like fractions:
480/1568 - 2058/1568 = 480 - 2058/1568 = -1578/1568
After reducing the fraction, the answer is -789/784

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