Subtract 9/8 from 18/48
1st number: 18/48, 2nd number: 1 1/8
18/48 - 9/8 is -3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 8 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 48 × 1 = 48,
18/48 = 18 × 1/48 × 1 = 18/48 - Likewise, for the 2nd fraction, since 8 × 6 = 48,
9/8 = 9 × 6/8 × 6 = 54/48 - Subtract the two like fractions:
18/48 - 54/48 = 18 - 54/48 = -36/48 - After reducing the fraction, the answer is -3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/48-9/8 18/48-18/8 18/96-9/8 18/48-9/16 54/48-9/8 18/48-27/8 18/48-9/24 90/48-9/8 18/48-45/8 18/48-9/40 18/48-63/8 18/48-9/56