Subtract 14/4 from 28/98, Solve 28/98

Subtract 14/4 from 28/98

1^st number: 28/98, 2^nd number: 3 2/4

28/98 - 14/4 is -45/14.

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,
28/98 = 28 × 2/98 × 2 = 56/196
Likewise, for the 2nd fraction, since 4 × 49 = 196,
14/4 = 14 × 49/4 × 49 = 686/196
Subtract the two like fractions:
56/196 - 686/196 = 56 - 686/196 = -630/196
After reducing the fraction, the answer is -45/14

MathStep (Works offline)

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