Subtract 28/20 from 35/12
1st number: 2 11/12, 2nd number: 1 8/20
35/12 - 28/20 is 91/60.
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,
35/12 = 35 × 5/12 × 5 = 175/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
28/20 = 28 × 3/20 × 3 = 84/60 - Subtract the two like fractions:
175/60 - 84/60 = 175 - 84/60 = 91/60 - In mixed form: 131/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12-28/20 35/12-56/20 35/24-28/20 35/12-28/40 35/12-84/20 35/36-28/20 35/12-28/60 35/60-28/20 35/84-28/20