Add 28/18 and 20/24
1st number: 1 10/18, 2nd number: 20/24
28/18 + 20/24 is 43/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
28/18 = 28 × 4/18 × 4 = 112/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
20/24 = 20 × 3/24 × 3 = 60/72 - Add the two like fractions:
112/72 + 60/72 = 112 + 60/72 = 172/72 - 172/72 simplified gives 43/18
- So, 28/18 + 20/24 = 43/18
In mixed form: 27/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+20/24 28/18+40/24 28/36+20/24 28/18+20/48 84/18+20/24 28/18+60/24 28/54+20/24 28/18+20/72 28/90+20/24