Subtract 20/48 from 3/8
3/8 - 20/48 is -1/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 8 × 6 = 48,
3/8 = 3 × 6/8 × 6 = 18/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
20/48 = 20 × 1/48 × 1 = 20/48 - Subtract the two like fractions:
18/48 - 20/48 = 18 - 20/48 = -2/48 - After reducing the fraction, the answer is -1/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8-20/48 3/8-40/48 3/16-20/48 3/8-20/96 9/8-20/48 3/8-60/48 3/24-20/48 15/8-20/48 3/40-20/48 21/8-20/48 3/56-20/48