Add 30/6 and 15/12
1st number: 5 0/6, 2nd number: 1 3/12
30/6 + 15/12 is 25/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
30/6 = 30 × 2/6 × 2 = 60/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
15/12 = 15 × 1/12 × 1 = 15/12 - Add the two like fractions:
60/12 + 15/12 = 60 + 15/12 = 75/12 - 75/12 simplified gives 25/4
- So, 30/6 + 15/12 = 25/4
In mixed form: 61/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/6+15/12 30/6+30/12 30/12+15/12 30/6+15/24 90/6+15/12 30/6+45/12 30/18+15/12 30/6+15/36 30/6+75/12 30/6+15/60 30/42+15/12 30/6+15/84