Subtract 2/27 from 4/80, Solve 4/80

Subtract 2/27 from 4/80

4/80 - 2/27 is -13/540.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160

Next, find the equivalent fraction of both fractional numbers with denominator 2160
For the 1st fraction, since 80 × 27 = 2160,
4/80 = 4 × 27/80 × 27 = 108/2160
Likewise, for the 2nd fraction, since 27 × 80 = 2160,
2/27 = 2 × 80/27 × 80 = 160/2160
Subtract the two like fractions:
108/2160 - 160/2160 = 108 - 160/2160 = -52/2160
After reducing the fraction, the answer is -13/540

MathStep (Works offline)

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