Add 28/10 and 3/12
1st number: 2 8/10, 2nd number: 3/12
28/10 + 3/12 is 61/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
28/10 = 28 × 6/10 × 6 = 168/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
3/12 = 3 × 5/12 × 5 = 15/60 - Add the two like fractions:
168/60 + 15/60 = 168 + 15/60 = 183/60 - 183/60 simplified gives 61/20
- So, 28/10 + 3/12 = 61/20
In mixed form: 31/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10+3/12 28/10+6/12 28/20+3/12 28/10+3/24 84/10+3/12 28/10+9/12 28/30+3/12 28/10+3/36 28/10+15/12 28/50+3/12 28/10+3/60 28/10+21/12 28/70+3/12 28/10+3/84