Subtract 63/48 from 20/36
1st number: 20/36, 2nd number: 1 15/48
20/36 - 63/48 is -109/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 36 × 4 = 144,
20/36 = 20 × 4/36 × 4 = 80/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
63/48 = 63 × 3/48 × 3 = 189/144 - Subtract the two like fractions:
80/144 - 189/144 = 80 - 189/144 = -109/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/36-63/48 20/72-63/48 20/36-63/96 60/36-63/48