Subtract 9/48 from 20/18
1st number: 1 2/18, 2nd number: 9/48
20/18 - 9/48 is 133/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
20/18 = 20 × 8/18 × 8 = 160/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
9/48 = 9 × 3/48 × 3 = 27/144 - Subtract the two like fractions:
160/144 - 27/144 = 160 - 27/144 = 133/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18-9/48 20/18-18/48 20/36-9/48 20/18-9/96 60/18-9/48 20/18-27/48 20/54-9/48 20/18-45/48 20/90-9/48 20/18-63/48