Subtract 1/12 from 15/9
1st number: 1 6/9, 2nd number: 1/12
15/9 - 1/12 is 19/12.
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,
1/12 = 1 × 3/12 × 3 = 3/36 - Subtract the two like fractions:
60/36 - 3/36 = 60 - 3/36 = 57/36 - After reducing the fraction, the answer is 19/12
- In mixed form: 17/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/9-1/12 15/9-2/12 15/18-1/12 15/9-1/24 45/9-1/12 15/9-3/12 15/27-1/12 15/9-1/36 75/9-1/12 15/9-5/12 15/45-1/12 15/9-1/60 15/9-7/12 15/63-1/12 15/9-1/84