Add 28/12 and 7/5
1st number: 2 4/12, 2nd number: 1 2/5
28/12 + 7/5 is 56/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 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 5 × 12 = 60,
7/5 = 7 × 12/5 × 12 = 84/60 - Add the two like fractions:
140/60 + 84/60 = 140 + 84/60 = 224/60 - 224/60 simplified gives 56/15
- So, 28/12 + 7/5 = 56/15
In mixed form: 311/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12+7/5 28/12+14/5 28/24+7/5 28/12+7/10 84/12+7/5 28/12+21/5 28/36+7/5 28/12+7/15 28/12+35/5 28/60+7/5 28/12+7/25 28/12+49/5 28/84+7/5 28/12+7/35