Subtract 72/96 from 18/14, Solve 1 4/14

Subtract 72/96 from 18/14

1^st number: 1 4/14, 2^nd number: 72/96

18/14 - 72/96 is 15/28.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 96 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 14 × 48 = 672,
18/14 = 18 × 48/14 × 48 = 864/672
Likewise, for the 2nd fraction, since 96 × 7 = 672,
72/96 = 72 × 7/96 × 7 = 504/672
Subtract the two like fractions:
864/672 - 504/672 = 864 - 504/672 = 360/672
After reducing the fraction, the answer is 15/28

MathStep (Works offline)

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