Add 30/3 and 36/12
1st number: 10 0/3, 2nd number: 3 0/12
30/3 + 36/12 is 13/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
30/3 = 30 × 4/3 × 4 = 120/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
36/12 = 36 × 1/12 × 1 = 36/12 - Add the two like fractions:
120/12 + 36/12 = 120 + 36/12 = 156/12 - 156/12 simplified gives 13/1
- So, 30/3 + 36/12 = 13/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3+36/12 30/3+72/12 30/6+36/12 30/3+36/24 90/3+36/12 30/9+36/12 30/15+36/12 30/3+36/60 30/21+36/12 30/3+36/84