Subtract 1/20 from 7/24
7/24 - 1/20 is 29/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 20 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
7/24 = 7 × 5/24 × 5 = 35/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
1/20 = 1 × 6/20 × 6 = 6/120 - Subtract the two like fractions:
35/120 - 6/120 = 35 - 6/120 = 29/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/24-1/20 7/24-2/20 7/48-1/20 7/24-1/40 21/24-1/20 7/24-3/20 7/72-1/20 7/24-1/60 35/24-1/20 7/24-5/20 49/24-1/20 7/24-7/20