Subtract 16/72 from 3/25, Solve 3/25

Subtract 16/72 from 3/25

3/25 - 16/72 is -23/225.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 72 is 1800

Next, find the equivalent fraction of both fractional numbers with denominator 1800
For the 1st fraction, since 25 × 72 = 1800,
3/25 = 3 × 72/25 × 72 = 216/1800
Likewise, for the 2nd fraction, since 72 × 25 = 1800,
16/72 = 16 × 25/72 × 25 = 400/1800
Subtract the two like fractions:
216/1800 - 400/1800 = 216 - 400/1800 = -184/1800
After reducing the fraction, the answer is -23/225

MathStep (Works offline)

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