Subtract 28/48 from 2/18
2/18 - 28/48 is -17/36.
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,
2/18 = 2 × 8/18 × 8 = 16/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
28/48 = 28 × 3/48 × 3 = 84/144 - Subtract the two like fractions:
16/144 - 84/144 = 16 - 84/144 = -68/144 - After reducing the fraction, the answer is -17/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/18-28/48 2/18-56/48 2/36-28/48 2/18-28/96 6/18-28/48 2/18-84/48 2/54-28/48 10/18-28/48 2/90-28/48 14/18-28/48