Subtract 15/28 from 20/6
1st number: 3 2/6, 2nd number: 15/28
20/6 - 15/28 is 235/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
20/6 = 20 × 14/6 × 14 = 280/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
15/28 = 15 × 3/28 × 3 = 45/84 - Subtract the two like fractions:
280/84 - 45/84 = 280 - 45/84 = 235/84 - In mixed form: 267/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6-15/28 20/6-30/28 20/12-15/28 20/6-15/56 60/6-15/28 20/6-45/28 20/18-15/28 20/6-15/84 20/6-75/28 20/30-15/28 20/42-15/28