Subtract 15/8 from 30/6
1st number: 5 0/6, 2nd number: 1 7/8
30/6 - 15/8 is 25/8.
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,
30/6 = 30 × 4/6 × 4 = 120/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
15/8 = 15 × 3/8 × 3 = 45/24 - Subtract the two like fractions:
120/24 - 45/24 = 120 - 45/24 = 75/24 - After reducing the fraction, the answer is 25/8
- In mixed form: 31/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/6-15/8 30/6-30/8 30/12-15/8 30/6-15/16 90/6-15/8 30/6-45/8 30/18-15/8 30/6-15/24 30/6-75/8 30/6-15/40 30/42-15/8 30/6-15/56