Subtract 3/12 from 15/6
1st number: 2 3/6, 2nd number: 3/12
15/6 - 3/12 is 9/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
15/6 = 15 × 2/6 × 2 = 30/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
3/12 = 3 × 1/12 × 1 = 3/12 - Subtract the two like fractions:
30/12 - 3/12 = 30 - 3/12 = 27/12 - After reducing the fraction, the answer is 9/4
- In mixed form: 21/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/6-3/12 15/6-6/12 15/12-3/12 15/6-3/24 45/6-3/12 15/6-9/12 15/18-3/12 15/6-3/36 75/6-3/12 15/6-15/12 15/30-3/12 15/6-3/60 15/6-21/12 15/42-3/12 15/6-3/84