Subtract 15/24 from 6/20
6/20 - 15/24 is -13/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 20 × 6 = 120,
6/20 = 6 × 6/20 × 6 = 36/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
15/24 = 15 × 5/24 × 5 = 75/120 - Subtract the two like fractions:
36/120 - 75/120 = 36 - 75/120 = -39/120 - After reducing the fraction, the answer is -13/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20-15/24 6/20-30/24 6/40-15/24 6/20-15/48 18/20-15/24 6/20-45/24 6/60-15/24 6/20-15/72 30/20-15/24 6/20-75/24 42/20-15/24