Add 8/12 and 81/54
1st number: 8/12, 2nd number: 1 27/54
8/12 + 81/54 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
8/12 = 8 × 9/12 × 9 = 72/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
81/54 = 81 × 2/54 × 2 = 162/108 - Add the two like fractions:
72/108 + 162/108 = 72 + 162/108 = 234/108 - 234/108 simplified gives 13/6
- So, 8/12 + 81/54 = 13/6
In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/12+81/54 8/24+81/54 24/12+81/54 8/36+81/54 40/12+81/54 8/60+81/54 56/12+81/54 8/84+81/54