Subtract 7/12 from 18/8
1st number: 2 2/8, 2nd number: 7/12
18/8 - 7/12 is 5/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 12 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 12 × 2 = 24,
7/12 = 7 × 2/12 × 2 = 14/24 - Subtract the two like fractions:
54/24 - 14/24 = 54 - 14/24 = 40/24 - After reducing the fraction, the answer is 5/3
- In mixed form: 12/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8-7/12 18/8-14/12 18/16-7/12 18/8-7/24 54/8-7/12 18/8-21/12 18/24-7/12 18/8-7/36 90/8-7/12 18/8-35/12 18/40-7/12 18/8-7/60 18/8-49/12 18/56-7/12 18/8-7/84