Add 6/12 and 81/30
1st number: 6/12, 2nd number: 2 21/30
6/12 + 81/30 is 16/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
6/12 = 6 × 5/12 × 5 = 30/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
81/30 = 81 × 2/30 × 2 = 162/60 - Add the two like fractions:
30/60 + 162/60 = 30 + 162/60 = 192/60 - 192/60 simplified gives 16/5
- So, 6/12 + 81/30 = 16/5
In mixed form: 31/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/24+81/30 6/12+81/60 18/12+81/30 6/36+81/30 6/12+81/90 30/12+81/30 6/60+81/30 42/12+81/30 6/84+81/30