Add 20/27 and 20/54
20/27 + 20/54 is 10/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
20/27 = 20 × 2/27 × 2 = 40/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
20/54 = 20 × 1/54 × 1 = 20/54 - Add the two like fractions:
40/54 + 20/54 = 40 + 20/54 = 60/54 - 60/54 simplified gives 10/9
- So, 20/27 + 20/54 = 10/9
In mixed form: 11/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/27+20/54 20/27+40/54 20/54+20/54 60/27+20/54 20/27+60/54 20/81+20/54