Subtract 5/72 from 80/5, Solve 16 0/5

Subtract 5/72 from 80/5

1^st number: 16 0/5, 2^nd number: 5/72

80/5 - 5/72 is 1147/72.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 5 × 72 = 360,
80/5 = 80 × 72/5 × 72 = 5760/360
Likewise, for the 2nd fraction, since 72 × 5 = 360,
5/72 = 5 × 5/72 × 5 = 25/360
Subtract the two like fractions:
5760/360 - 25/360 = 5760 - 25/360 = 5735/360
After reducing the fraction, the answer is 1147/72
In mixed form: 1567/72

MathStep (Works offline)

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