Add 15/4 and 56/3
1st number: 3 3/4, 2nd number: 18 2/3
15/4 + 56/3 is 269/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
15/4 = 15 × 3/4 × 3 = 45/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
56/3 = 56 × 4/3 × 4 = 224/12 - Add the two like fractions:
45/12 + 224/12 = 45 + 224/12 = 269/12 - So, 15/4 + 56/3 = 269/12
In mixed form: 225/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4+56/3 15/8+56/3 15/4+56/6 45/4+56/3 15/12+56/3 15/4+56/9 75/4+56/3 15/20+56/3 15/4+56/15 15/28+56/3 15/4+56/21