Add 28/12 and 27/15
1st number: 2 4/12, 2nd number: 1 12/15
28/12 + 27/15 is 62/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
28/12 = 28 × 5/12 × 5 = 140/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
27/15 = 27 × 4/15 × 4 = 108/60 - Add the two like fractions:
140/60 + 108/60 = 140 + 108/60 = 248/60 - 248/60 simplified gives 62/15
- So, 28/12 + 27/15 = 62/15
In mixed form: 42/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12+27/15 28/12+54/15 28/24+27/15 28/12+27/30 84/12+27/15 28/12+81/15 28/36+27/15 28/12+27/45 28/60+27/15 28/12+27/75 28/84+27/15