Subtract 10/54 from 2/5, Solve 2/5

Subtract 10/54 from 2/5

2/5 - 10/54 is 29/135.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 54 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 5 × 54 = 270,
2/5 = 2 × 54/5 × 54 = 108/270
Likewise, for the 2nd fraction, since 54 × 5 = 270,
10/54 = 10 × 5/54 × 5 = 50/270
Subtract the two like fractions:
108/270 - 50/270 = 108 - 50/270 = 58/270
After reducing the fraction, the answer is 29/135

MathStep (Works offline)

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