Subtract 2/12 from 1/25, Solve 1/25

Subtract 2/12 from 1/25

1/25 - 2/12 is -19/150.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 25 × 12 = 300,
1/25 = 1 × 12/25 × 12 = 12/300
Likewise, for the 2nd fraction, since 12 × 25 = 300,
2/12 = 2 × 25/12 × 25 = 50/300
Subtract the two like fractions:
12/300 - 50/300 = 12 - 50/300 = -38/300
After reducing the fraction, the answer is -19/150

MathStep (Works offline)

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