Add 30/12 and 20/3
1st number: 2 6/12, 2nd number: 6 2/3
30/12 + 20/3 is 55/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
30/12 = 30 × 1/12 × 1 = 30/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
20/3 = 20 × 4/3 × 4 = 80/12 - Add the two like fractions:
30/12 + 80/12 = 30 + 80/12 = 110/12 - 110/12 simplified gives 55/6
- So, 30/12 + 20/3 = 55/6
In mixed form: 91/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12+20/3 30/12+40/3 30/24+20/3 30/12+20/6 90/12+20/3 30/12+60/3 30/36+20/3 30/12+20/9 30/60+20/3 30/12+20/15 30/84+20/3 30/12+20/21