Subtract 6/80 from 80/8, Solve 10 0/8

Subtract 6/80 from 80/8

1^st number: 10 0/8, 2^nd number: 6/80

80/8 - 6/80 is 397/40.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 8 × 10 = 80,
80/8 = 80 × 10/8 × 10 = 800/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
6/80 = 6 × 1/80 × 1 = 6/80
Subtract the two like fractions:
800/80 - 6/80 = 800 - 6/80 = 794/80
After reducing the fraction, the answer is 397/40
In mixed form: 937/40

MathStep (Works offline)

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