Subtract 12/3 from 15/36
1st number: 15/36, 2nd number: 4 0/3
15/36 - 12/3 is -43/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 3 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
15/36 = 15 × 1/36 × 1 = 15/36 - Likewise, for the 2nd fraction, since 3 × 12 = 36,
12/3 = 12 × 12/3 × 12 = 144/36 - Subtract the two like fractions:
15/36 - 144/36 = 15 - 144/36 = -129/36 - After reducing the fraction, the answer is -43/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/36-12/3 15/36-24/3 15/72-12/3 15/36-12/6 45/36-12/3 15/36-36/3 15/36-12/9 75/36-12/3 15/36-60/3 15/36-12/15 15/36-84/3 15/36-12/21