Add 81/6 and 20/54
1st number: 13 3/6, 2nd number: 20/54
81/6 + 20/54 is 749/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 6 × 9 = 54,
81/6 = 81 × 9/6 × 9 = 729/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
20/54 = 20 × 1/54 × 1 = 20/54 - Add the two like fractions:
729/54 + 20/54 = 729 + 20/54 = 749/54 - So, 81/6 + 20/54 = 749/54
In mixed form: 1347/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/6+40/54 81/12+20/54 81/6+60/54 81/18+20/54 81/30+20/54 81/42+20/54