Add 15/20 and 56/3
1st number: 15/20, 2nd number: 18 2/3
15/20 + 56/3 is 233/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
15/20 = 15 × 3/20 × 3 = 45/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
56/3 = 56 × 20/3 × 20 = 1120/60 - Add the two like fractions:
45/60 + 1120/60 = 45 + 1120/60 = 1165/60 - 1165/60 simplified gives 233/12
- So, 15/20 + 56/3 = 233/12
In mixed form: 195/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20+56/3 15/40+56/3 15/20+56/6 45/20+56/3 15/60+56/3 15/20+56/9 75/20+56/3 15/20+56/15 15/20+56/21