Subtract 9/14 from 72/8, Solve 9 0/8

Subtract 9/14 from 72/8

1^st number: 9 0/8, 2^nd number: 9/14

72/8 - 9/14 is 117/14.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 14 is 56

Next, find the equivalent fraction of both fractional numbers with denominator 56
For the 1st fraction, since 8 × 7 = 56,
72/8 = 72 × 7/8 × 7 = 504/56
Likewise, for the 2nd fraction, since 14 × 4 = 56,
9/14 = 9 × 4/14 × 4 = 36/56
Subtract the two like fractions:
504/56 - 36/56 = 504 - 36/56 = 468/56
After reducing the fraction, the answer is 117/14
In mixed form: 85/14

MathStep (Works offline)

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