Add 28/12 and 16/5
1st number: 2 4/12, 2nd number: 3 1/5
28/12 + 16/5 is 83/15.
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,
16/5 = 16 × 12/5 × 12 = 192/60 - Add the two like fractions:
140/60 + 192/60 = 140 + 192/60 = 332/60 - 332/60 simplified gives 83/15
- So, 28/12 + 16/5 = 83/15
In mixed form: 58/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12+16/5 28/12+32/5 28/24+16/5 28/12+16/10 84/12+16/5 28/12+48/5 28/36+16/5 28/12+16/15 28/12+80/5 28/60+16/5 28/12+16/25 28/84+16/5 28/12+16/35