Subtract 9/8 from 18/6
1st number: 3 0/6, 2nd number: 1 1/8
18/6 - 9/8 is 15/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 6 × 4 = 24,
18/6 = 18 × 4/6 × 4 = 72/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
9/8 = 9 × 3/8 × 3 = 27/24 - Subtract the two like fractions:
72/24 - 27/24 = 72 - 27/24 = 45/24 - After reducing the fraction, the answer is 15/8
- In mixed form: 17/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/6-9/8 18/6-18/8 18/12-9/8 18/6-9/16 54/6-9/8 18/6-27/8 18/6-9/24 90/6-9/8 18/6-45/8 18/30-9/8 18/6-9/40 18/6-63/8 18/42-9/8 18/6-9/56