Add 40/54 and 21/6
1st number: 40/54, 2nd number: 3 3/6
40/54 + 21/6 is 229/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 6 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
40/54 = 40 × 1/54 × 1 = 40/54 - Likewise, for the 2nd fraction, since 6 × 9 = 54,
21/6 = 21 × 9/6 × 9 = 189/54 - Add the two like fractions:
40/54 + 189/54 = 40 + 189/54 = 229/54 - So, 40/54 + 21/6 = 229/54
In mixed form: 413/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/54+21/6 40/54+42/6 40/54+21/12 40/54+63/6 40/54+21/18 40/54+21/30 40/54+21/42