Subtract 10/12 from 56/40, Solve 1 16/40

Subtract 10/12 from 56/40

1^st number: 1 16/40, 2^nd number: 10/12

56/40 - 10/12 is 17/30.

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,
56/40 = 56 × 3/40 × 3 = 168/120
Likewise, for the 2nd fraction, since 12 × 10 = 120,
10/12 = 10 × 10/12 × 10 = 100/120
Subtract the two like fractions:
168/120 - 100/120 = 168 - 100/120 = 68/120
After reducing the fraction, the answer is 17/30

MathStep (Works offline)

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