Subtract 15/36 from 12/9
1st number: 1 3/9, 2nd number: 15/36
12/9 - 15/36 is 11/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
12/9 = 12 × 4/9 × 4 = 48/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
15/36 = 15 × 1/36 × 1 = 15/36 - Subtract the two like fractions:
48/36 - 15/36 = 48 - 15/36 = 33/36 - After reducing the fraction, the answer is 11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/9-15/36 12/9-30/36 12/18-15/36 12/9-15/72 36/9-15/36 12/9-45/36 12/27-15/36 60/9-15/36 12/9-75/36 12/45-15/36 84/9-15/36 12/63-15/36