Add 20/28 and 8/24
20/28 + 8/24 is 22/21.
Steps for adding 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,
8/24 = 8 × 7/24 × 7 = 56/168 - Add the two like fractions:
120/168 + 56/168 = 120 + 56/168 = 176/168 - 176/168 simplified gives 22/21
- So, 20/28 + 8/24 = 22/21
In mixed form: 11/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28+8/24 20/28+16/24 20/56+8/24 20/28+8/48 60/28+8/24 20/84+8/24 20/28+8/72 20/28+40/24 20/28+56/24