Subtract 12/40 from 10/25
10/25 - 12/40 is 1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
10/25 = 10 × 8/25 × 8 = 80/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
12/40 = 12 × 5/40 × 5 = 60/200 - Subtract the two like fractions:
80/200 - 60/200 = 80 - 60/200 = 20/200 - After reducing the fraction, the answer is 1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/25-12/40 10/25-24/40 10/50-12/40 10/25-12/80 30/25-12/40 10/25-36/40 10/75-12/40 50/25-12/40 10/25-60/40 70/25-12/40 10/25-84/40