Subtract 2/80 from 32/8, Solve 4 0/8

Subtract 2/80 from 32/8

1^st number: 4 0/8, 2^nd number: 2/80

32/8 - 2/80 is 159/40.

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,
32/8 = 32 × 10/8 × 10 = 320/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
2/80 = 2 × 1/80 × 1 = 2/80
Subtract the two like fractions:
320/80 - 2/80 = 320 - 2/80 = 318/80
After reducing the fraction, the answer is 159/40
In mixed form: 339/40

MathStep (Works offline)

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