Add 20/18 and 56/27
1st number: 1 2/18, 2nd number: 2 2/27
20/18 + 56/27 is 86/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
20/18 = 20 × 3/18 × 3 = 60/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
56/27 = 56 × 2/27 × 2 = 112/54 - Add the two like fractions:
60/54 + 112/54 = 60 + 112/54 = 172/54 - 172/54 simplified gives 86/27
- So, 20/18 + 56/27 = 86/27
In mixed form: 35/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18+56/27 20/36+56/27 20/18+56/54 60/18+56/27 20/54+56/27 20/18+56/81 20/90+56/27