Subtract 5/18 from 7/48
7/48 - 5/18 is -19/144.
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,
7/48 = 7 × 3/48 × 3 = 21/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
5/18 = 5 × 8/18 × 8 = 40/144 - Subtract the two like fractions:
21/144 - 40/144 = 21 - 40/144 = -19/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/48-5/18 7/48-10/18 7/96-5/18 7/48-5/36 21/48-5/18 7/48-15/18 7/48-5/54 35/48-5/18 7/48-25/18 7/48-5/90 49/48-5/18 7/48-35/18