Add 12/2 and 18/15
1st number: 6 0/2, 2nd number: 1 3/15
12/2 + 18/15 is 36/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
12/2 = 12 × 15/2 × 15 = 180/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
18/15 = 18 × 2/15 × 2 = 36/30 - Add the two like fractions:
180/30 + 36/30 = 180 + 36/30 = 216/30 - 216/30 simplified gives 36/5
- So, 12/2 + 18/15 = 36/5
In mixed form: 71/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/2+18/15 12/2+36/15 12/4+18/15 12/2+18/30 36/2+18/15 12/2+54/15 12/6+18/15 12/2+18/45 60/2+18/15 12/2+90/15 12/10+18/15 12/2+18/75 84/2+18/15 12/14+18/15