Add 18/2 and 30/12
1st number: 9 0/2, 2nd number: 2 6/12
18/2 + 30/12 is 23/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 2 × 6 = 12,
18/2 = 18 × 6/2 × 6 = 108/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
30/12 = 30 × 1/12 × 1 = 30/12 - Add the two like fractions:
108/12 + 30/12 = 108 + 30/12 = 138/12 - 138/12 simplified gives 23/2
- So, 18/2 + 30/12 = 23/2
In mixed form: 111/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2+30/12 18/2+60/12 18/4+30/12 18/2+30/24 54/2+30/12 18/2+90/12 18/6+30/12 18/2+30/36 90/2+30/12 18/10+30/12 18/2+30/60 18/14+30/12 18/2+30/84