Subtract 15/4 from 20/24
1st number: 20/24, 2nd number: 3 3/4
20/24 - 15/4 is -35/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 4 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
20/24 = 20 × 1/24 × 1 = 20/24 - Likewise, for the 2nd fraction, since 4 × 6 = 24,
15/4 = 15 × 6/4 × 6 = 90/24 - Subtract the two like fractions:
20/24 - 90/24 = 20 - 90/24 = -70/24 - After reducing the fraction, the answer is -35/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/24-15/4 20/24-30/4 20/48-15/4 20/24-15/8 60/24-15/4 20/24-45/4 20/72-15/4 20/24-15/12 20/24-75/4 20/24-15/20 20/24-15/28