Add 30/3 and 18/4
1st number: 10 0/3, 2nd number: 4 2/4
30/3 + 18/4 is 29/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 4 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 4 × 3 = 12,
18/4 = 18 × 3/4 × 3 = 54/12 - Add the two like fractions:
120/12 + 54/12 = 120 + 54/12 = 174/12 - 174/12 simplified gives 29/2
- So, 30/3 + 18/4 = 29/2
In mixed form: 141/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3+18/4 30/3+36/4 30/6+18/4 30/3+18/8 90/3+18/4 30/3+54/4 30/9+18/4 30/3+18/12 30/3+90/4 30/15+18/4 30/3+18/20 30/21+18/4 30/3+18/28