Subtract 6/24 from 20/28
20/28 - 6/24 is 13/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 28 × 6 = 168,
20/28 = 20 × 6/28 × 6 = 120/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
6/24 = 6 × 7/24 × 7 = 42/168 - Subtract the two like fractions:
120/168 - 42/168 = 120 - 42/168 = 78/168 - After reducing the fraction, the answer is 13/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28-6/24 20/28-12/24 20/56-6/24 20/28-6/48 60/28-6/24 20/28-18/24 20/84-6/24 20/28-6/72 20/28-30/24 20/28-42/24