Subtract 80/12 from 27/36
1st number: 27/36, 2nd number: 6 8/12
27/36 - 80/12 is -71/12.
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,
27/36 = 27 × 1/36 × 1 = 27/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
80/12 = 80 × 3/12 × 3 = 240/36 - Subtract the two like fractions:
27/36 - 240/36 = 27 - 240/36 = -213/36 - After reducing the fraction, the answer is -71/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/36-80/12 27/72-80/12 27/36-80/24 81/36-80/12 27/36-80/36 27/36-80/60 27/36-80/84