Add 1/5 and 28/12
1st number: 1/5, 2nd number: 2 4/12
1/5 + 28/12 is 38/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
1/5 = 1 × 12/5 × 12 = 12/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
28/12 = 28 × 5/12 × 5 = 140/60 - Add the two like fractions:
12/60 + 140/60 = 12 + 140/60 = 152/60 - 152/60 simplified gives 38/15
- So, 1/5 + 28/12 = 38/15
In mixed form: 28/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/5+28/12 1/5+56/12 1/10+28/12 1/5+28/24 3/5+28/12 1/5+84/12 1/15+28/12 1/5+28/36 1/25+28/12 1/5+28/60 7/5+28/12 1/35+28/12 1/5+28/84