Subtract 8/40 from 32/3, Solve 10 2/3

Subtract 8/40 from 32/3

1^st number: 10 2/3, 2^nd number: 8/40

32/3 - 8/40 is 157/15.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 3 × 40 = 120,
32/3 = 32 × 40/3 × 40 = 1280/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
8/40 = 8 × 3/40 × 3 = 24/120
Subtract the two like fractions:
1280/120 - 24/120 = 1280 - 24/120 = 1256/120
After reducing the fraction, the answer is 157/15
In mixed form: 107/15

MathStep (Works offline)

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