Subtract 4/40 from 5/27, Solve 5/27

Subtract 4/40 from 5/27

5/27 - 4/40 is 23/270.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 40 is 1080

Next, find the equivalent fraction of both fractional numbers with denominator 1080
For the 1st fraction, since 27 × 40 = 1080,
5/27 = 5 × 40/27 × 40 = 200/1080
Likewise, for the 2nd fraction, since 40 × 27 = 1080,
4/40 = 4 × 27/40 × 27 = 108/1080
Subtract the two like fractions:
200/1080 - 108/1080 = 200 - 108/1080 = 92/1080
After reducing the fraction, the answer is 23/270

MathStep (Works offline)

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