Subtract 24/48 from 7/18
7/18 - 24/48 is -1/9.
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,
7/18 = 7 × 8/18 × 8 = 56/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
24/48 = 24 × 3/48 × 3 = 72/144 - Subtract the two like fractions:
56/144 - 72/144 = 56 - 72/144 = -16/144 - After reducing the fraction, the answer is -1/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/18-24/48 7/36-24/48 7/18-24/96 21/18-24/48 7/18-72/48 7/54-24/48 35/18-24/48 7/90-24/48 49/18-24/48