Subtract 5/8 from 30/12
1st number: 2 6/12, 2nd number: 5/8
30/12 - 5/8 is 15/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
30/12 = 30 × 2/12 × 2 = 60/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
5/8 = 5 × 3/8 × 3 = 15/24 - Subtract the two like fractions:
60/24 - 15/24 = 60 - 15/24 = 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: 60/12-5/8 30/12-10/8 30/24-5/8 30/12-5/16 90/12-5/8 30/12-15/8 30/36-5/8 30/12-5/24 30/12-25/8 30/60-5/8 30/12-5/40 30/12-35/8 30/84-5/8 30/12-5/56