Subtract 20/24 from 6/15
6/15 - 20/24 is -13/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
6/15 = 6 × 8/15 × 8 = 48/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
20/24 = 20 × 5/24 × 5 = 100/120 - Subtract the two like fractions:
48/120 - 100/120 = 48 - 100/120 = -52/120 - After reducing the fraction, the answer is -13/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/15-20/24 6/15-40/24 6/30-20/24 6/15-20/48 18/15-20/24 6/15-60/24 6/45-20/24 6/15-20/72 30/15-20/24 6/75-20/24 42/15-20/24