Subtract 45/48 from 5/18
5/18 - 45/48 is -95/144.
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,
5/18 = 5 × 8/18 × 8 = 40/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
45/48 = 45 × 3/48 × 3 = 135/144 - Subtract the two like fractions:
40/144 - 135/144 = 40 - 135/144 = -95/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18-45/48 5/18-90/48 5/36-45/48 5/18-45/96 15/18-45/48 5/54-45/48 25/18-45/48 5/90-45/48 35/18-45/48