Subtract 45/12 from 6/36
1st number: 6/36, 2nd number: 3 9/12
6/36 - 45/12 is -43/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
6/36 = 6 × 1/36 × 1 = 6/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
45/12 = 45 × 3/12 × 3 = 135/36 - Subtract the two like fractions:
6/36 - 135/36 = 6 - 135/36 = -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: 12/36-45/12 6/36-90/12 6/72-45/12 6/36-45/24 18/36-45/12 6/36-45/36 30/36-45/12 6/36-45/60 42/36-45/12 6/36-45/84