Subtract 3/48 from 15/18
15/18 - 3/48 is 37/48.
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,
15/18 = 15 × 8/18 × 8 = 120/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
3/48 = 3 × 3/48 × 3 = 9/144 - Subtract the two like fractions:
120/144 - 9/144 = 120 - 9/144 = 111/144 - After reducing the fraction, the answer is 37/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/18-3/48 15/18-6/48 15/36-3/48 15/18-3/96 45/18-3/48 15/18-9/48 15/54-3/48 75/18-3/48 15/18-15/48 15/90-3/48 15/18-21/48