Subtract 6/40 from 56/63, Solve 56/63

Subtract 6/40 from 56/63

56/63 - 6/40 is 133/180.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 63 × 40 = 2520,
56/63 = 56 × 40/63 × 40 = 2240/2520
Likewise, for the 2nd fraction, since 40 × 63 = 2520,
6/40 = 6 × 63/40 × 63 = 378/2520
Subtract the two like fractions:
2240/2520 - 378/2520 = 2240 - 378/2520 = 1862/2520
After reducing the fraction, the answer is 133/180

MathStep (Works offline)

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