Add 18/36 and 12/5
1st number: 18/36, 2nd number: 2 2/5
18/36 + 12/5 is 29/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 5 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
18/36 = 18 × 5/36 × 5 = 90/180 - Likewise, for the 2nd fraction, since 5 × 36 = 180,
12/5 = 12 × 36/5 × 36 = 432/180 - Add the two like fractions:
90/180 + 432/180 = 90 + 432/180 = 522/180 - 522/180 simplified gives 29/10
- So, 18/36 + 12/5 = 29/10
In mixed form: 29/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/36+24/5 18/72+12/5 18/36+12/10 54/36+12/5 18/36+36/5 18/36+12/15 90/36+12/5 18/36+60/5 18/36+12/25 18/36+84/5 18/36+12/35