Subtract 7/18 from 28/48
28/48 - 7/18 is 7/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
28/48 = 28 × 3/48 × 3 = 84/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
7/18 = 7 × 8/18 × 8 = 56/144 - Subtract the two like fractions:
84/144 - 56/144 = 84 - 56/144 = 28/144 - After reducing the fraction, the answer is 7/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/48-7/18 28/48-14/18 28/96-7/18 28/48-7/36 84/48-7/18 28/48-21/18 28/48-7/54 28/48-35/18 28/48-7/90 28/48-49/18