Subtract 8/4 from 8/98, Solve 8/98

Subtract 8/4 from 8/98

1^st number: 8/98, 2^nd number: 2 0/4

8/98 - 8/4 is -94/49.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 4 is 196

Next, find the equivalent fraction of both fractional numbers with denominator 196
For the 1st fraction, since 98 × 2 = 196,
8/98 = 8 × 2/98 × 2 = 16/196
Likewise, for the 2nd fraction, since 4 × 49 = 196,
8/4 = 8 × 49/4 × 49 = 392/196
Subtract the two like fractions:
16/196 - 392/196 = 16 - 392/196 = -376/196
After reducing the fraction, the answer is -94/49

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad