Subtract 6/20 from 27/12
1st number: 2 3/12, 2nd number: 6/20
27/12 - 6/20 is 39/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
27/12 = 27 × 5/12 × 5 = 135/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
6/20 = 6 × 3/20 × 3 = 18/60 - Subtract the two like fractions:
135/60 - 18/60 = 135 - 18/60 = 117/60 - After reducing the fraction, the answer is 39/20
- In mixed form: 119/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12-6/20 27/12-12/20 27/24-6/20 27/12-6/40 81/12-6/20 27/12-18/20 27/36-6/20 27/12-6/60 27/12-30/20 27/60-6/20 27/12-42/20 27/84-6/20