Add 12/3 and 35/20
1st number: 4 0/3, 2nd number: 1 15/20
12/3 + 35/20 is 23/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
12/3 = 12 × 20/3 × 20 = 240/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
35/20 = 35 × 3/20 × 3 = 105/60 - Add the two like fractions:
240/60 + 105/60 = 240 + 105/60 = 345/60 - 345/60 simplified gives 23/4
- So, 12/3 + 35/20 = 23/4
In mixed form: 53/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3+35/20 12/3+70/20 12/6+35/20 12/3+35/40 36/3+35/20 12/9+35/20 12/3+35/60 60/3+35/20 12/15+35/20 84/3+35/20 12/21+35/20