Subtract 20/48 from 1/24
1/24 - 20/48 is -3/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 24 × 2 = 48,
1/24 = 1 × 2/24 × 2 = 2/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
20/48 = 20 × 1/48 × 1 = 20/48 - Subtract the two like fractions:
2/48 - 20/48 = 2 - 20/48 = -18/48 - After reducing the fraction, the answer is -3/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/24-20/48 1/24-40/48 1/48-20/48 1/24-20/96 3/24-20/48 1/24-60/48 1/72-20/48 5/24-20/48 7/24-20/48