Add 5/9 and 21/54
5/9 + 21/54 is 17/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 9 × 6 = 54,
5/9 = 5 × 6/9 × 6 = 30/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
21/54 = 21 × 1/54 × 1 = 21/54 - Add the two like fractions:
30/54 + 21/54 = 30 + 21/54 = 51/54 - 51/54 simplified gives 17/18
- So, 5/9 + 21/54 = 17/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/9+21/54 5/9+42/54 5/18+21/54 15/9+21/54 5/9+63/54 5/27+21/54 25/9+21/54 5/45+21/54 35/9+21/54 5/63+21/54