Add 27/2 and 15/12
1st number: 13 1/2, 2nd number: 1 3/12
27/2 + 15/12 is 59/4.
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,
27/2 = 27 × 6/2 × 6 = 162/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
15/12 = 15 × 1/12 × 1 = 15/12 - Add the two like fractions:
162/12 + 15/12 = 162 + 15/12 = 177/12 - 177/12 simplified gives 59/4
- So, 27/2 + 15/12 = 59/4
In mixed form: 143/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/2+15/12 27/2+30/12 27/4+15/12 27/2+15/24 81/2+15/12 27/2+45/12 27/6+15/12 27/2+15/36 27/2+75/12 27/10+15/12 27/2+15/60 27/14+15/12 27/2+15/84