Subtract 4/12 from 15/9
1st number: 1 6/9, 2nd number: 4/12
15/9 - 4/12 is 4/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
15/9 = 15 × 4/9 × 4 = 60/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
4/12 = 4 × 3/12 × 3 = 12/36 - Subtract the two like fractions:
60/36 - 12/36 = 60 - 12/36 = 48/36 - After reducing the fraction, the answer is 4/3
- In mixed form: 11/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/9-4/12 15/9-8/12 15/18-4/12 15/9-4/24 45/9-4/12 15/27-4/12 15/9-4/36 75/9-4/12 15/9-20/12 15/45-4/12 15/9-4/60 15/9-28/12 15/63-4/12 15/9-4/84