Subtract 4/48 from 12/18
12/18 - 4/48 is 7/12.
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,
12/18 = 12 × 8/18 × 8 = 96/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
4/48 = 4 × 3/48 × 3 = 12/144 - Subtract the two like fractions:
96/144 - 12/144 = 96 - 12/144 = 84/144 - After reducing the fraction, the answer is 7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/18-4/48 12/18-8/48 12/36-4/48 12/18-4/96 36/18-4/48 12/18-12/48 12/54-4/48 60/18-4/48 12/18-20/48 12/90-4/48 84/18-4/48 12/18-28/48