Subtract 45/48 from 10/18
10/18 - 45/48 is -55/144.
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,
10/18 = 10 × 8/18 × 8 = 80/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
45/48 = 45 × 3/48 × 3 = 135/144 - Subtract the two like fractions:
80/144 - 135/144 = 80 - 135/144 = -55/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18-45/48 10/18-90/48 10/36-45/48 10/18-45/96 30/18-45/48 10/54-45/48 50/18-45/48 10/90-45/48 70/18-45/48