Subtract 56/12 from 2/40, Solve 2/40

Subtract 56/12 from 2/40

1^st number: 2/40, 2^nd number: 4 8/12

2/40 - 56/12 is -277/60.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 40 × 3 = 120,
2/40 = 2 × 3/40 × 3 = 6/120
Likewise, for the 2nd fraction, since 12 × 10 = 120,
56/12 = 56 × 10/12 × 10 = 560/120
Subtract the two like fractions:
6/120 - 560/120 = 6 - 560/120 = -554/120
After reducing the fraction, the answer is -277/60

MathStep (Works offline)

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