Subtract 28/48 from 10/18
10/18 - 28/48 is -1/36.
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,
28/48 = 28 × 3/48 × 3 = 84/144 - Subtract the two like fractions:
80/144 - 84/144 = 80 - 84/144 = -4/144 - After reducing the fraction, the answer is -1/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18-28/48 10/18-56/48 10/36-28/48 10/18-28/96 30/18-28/48 10/18-84/48 10/54-28/48 50/18-28/48 10/90-28/48 70/18-28/48