Add 20/28 and 6/7
20/28 + 6/7 is 11/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
20/28 = 20 × 1/28 × 1 = 20/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
6/7 = 6 × 4/7 × 4 = 24/28 - Add the two like fractions:
20/28 + 24/28 = 20 + 24/28 = 44/28 - 44/28 simplified gives 11/7
- So, 20/28 + 6/7 = 11/7
In mixed form: 14/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28+6/7 20/28+12/7 20/56+6/7 20/28+6/14 60/28+6/7 20/28+18/7 20/84+6/7 20/28+6/21 20/28+30/7 20/28+6/35 20/28+42/7 20/28+6/49