Subtract 70/98 from 14/18, Solve 14/18

Subtract 70/98 from 14/18

14/18 - 70/98 is 4/63.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 98 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 18 × 49 = 882,
14/18 = 14 × 49/18 × 49 = 686/882
Likewise, for the 2nd fraction, since 98 × 9 = 882,
70/98 = 70 × 9/98 × 9 = 630/882
Subtract the two like fractions:
686/882 - 630/882 = 686 - 630/882 = 56/882
After reducing the fraction, the answer is 4/63

MathStep (Works offline)

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