Subtract 27/20 from 12/3
1st number: 4 0/3, 2nd number: 1 7/20
12/3 - 27/20 is 53/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
12/3 = 12 × 20/3 × 20 = 240/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
27/20 = 27 × 3/20 × 3 = 81/60 - Subtract the two like fractions:
240/60 - 81/60 = 240 - 81/60 = 159/60 - After reducing the fraction, the answer is 53/20
- In mixed form: 213/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3-27/20 12/3-54/20 12/6-27/20 12/3-27/40 36/3-27/20 12/3-81/20 12/9-27/20 12/3-27/60 60/3-27/20 12/15-27/20 84/3-27/20 12/21-27/20