Subtract 20/25 from 4/15
4/15 - 20/25 is -8/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
4/15 = 4 × 5/15 × 5 = 20/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
20/25 = 20 × 3/25 × 3 = 60/75 - Subtract the two like fractions:
20/75 - 60/75 = 20 - 60/75 = -40/75 - After reducing the fraction, the answer is -8/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15-20/25 4/15-40/25 4/30-20/25 4/15-20/50 12/15-20/25 4/15-60/25 4/45-20/25 4/15-20/75 20/15-20/25 4/75-20/25 28/15-20/25