Subtract 20/24 from 5/20
5/20 - 20/24 is -7/12.
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,
5/20 = 5 × 6/20 × 6 = 30/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
20/24 = 20 × 5/24 × 5 = 100/120 - Subtract the two like fractions:
30/120 - 100/120 = 30 - 100/120 = -70/120 - After reducing the fraction, the answer is -7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20-20/24 5/20-40/24 5/40-20/24 5/20-20/48 15/20-20/24 5/20-60/24 5/60-20/24 5/20-20/72 25/20-20/24 35/20-20/24