Subtract 2/3 from 18/8
1st number: 2 2/8, 2nd number: 2/3
18/8 - 2/3 is 19/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 3 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
18/8 = 18 × 3/8 × 3 = 54/24 - Likewise, for the 2nd fraction, since 3 × 8 = 24,
2/3 = 2 × 8/3 × 8 = 16/24 - Subtract the two like fractions:
54/24 - 16/24 = 54 - 16/24 = 38/24 - After reducing the fraction, the answer is 19/12
- In mixed form: 17/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8-2/3 18/8-4/3 18/16-2/3 18/8-2/6 54/8-2/3 18/8-6/3 18/24-2/3 18/8-2/9 90/8-2/3 18/8-10/3 18/40-2/3 18/8-2/15 18/8-14/3 18/56-2/3 18/8-2/21