Add 6/54 and 21/3
1st number: 6/54, 2nd number: 7 0/3
6/54 + 21/3 is 64/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 3 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
6/54 = 6 × 1/54 × 1 = 6/54 - Likewise, for the 2nd fraction, since 3 × 18 = 54,
21/3 = 21 × 18/3 × 18 = 378/54 - Add the two like fractions:
6/54 + 378/54 = 6 + 378/54 = 384/54 - 384/54 simplified gives 64/9
- So, 6/54 + 21/3 = 64/9
In mixed form: 71/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/54+21/3 6/54+42/3 6/54+21/6 18/54+21/3 6/54+63/3 6/54+21/9 30/54+21/3 6/54+21/15 42/54+21/3