Subtract 4/9 from 10/25, Solve 10/25

Subtract 4/9 from 10/25

10/25 - 4/9 is -2/45.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 9 is 225

Next, find the equivalent fraction of both fractional numbers with denominator 225
For the 1st fraction, since 25 × 9 = 225,
10/25 = 10 × 9/25 × 9 = 90/225
Likewise, for the 2nd fraction, since 9 × 25 = 225,
4/9 = 4 × 25/9 × 25 = 100/225
Subtract the two like fractions:
90/225 - 100/225 = 90 - 100/225 = -10/225
After reducing the fraction, the answer is -2/45

MathStep (Works offline)

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