Subtract 20/48 from 1/3
1/3 - 20/48 is -1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 3 × 16 = 48,
1/3 = 1 × 16/3 × 16 = 16/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
20/48 = 20 × 1/48 × 1 = 20/48 - Subtract the two like fractions:
16/48 - 20/48 = 16 - 20/48 = -4/48 - After reducing the fraction, the answer is -1/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/3-20/48 1/3-40/48 1/6-20/48 1/3-20/96 1/3-60/48 1/9-20/48 5/3-20/48 1/15-20/48 7/3-20/48 1/21-20/48