Subtract 3/36 from 20/48
20/48 - 3/36 is 1/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 36 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
20/48 = 20 × 3/48 × 3 = 60/144 - Likewise, for the 2nd fraction, since 36 × 4 = 144,
3/36 = 3 × 4/36 × 4 = 12/144 - Subtract the two like fractions:
60/144 - 12/144 = 60 - 12/144 = 48/144 - After reducing the fraction, the answer is 1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/48-3/36 20/48-6/36 20/96-3/36 20/48-3/72 60/48-3/36 20/48-9/36 20/48-15/36 20/48-21/36