Add 15/4 and 28/15
1st number: 3 3/4, 2nd number: 1 13/15
15/4 + 28/15 is 337/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
15/4 = 15 × 15/4 × 15 = 225/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
28/15 = 28 × 4/15 × 4 = 112/60 - Add the two like fractions:
225/60 + 112/60 = 225 + 112/60 = 337/60 - So, 15/4 + 28/15 = 337/60
In mixed form: 537/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4+28/15 15/4+56/15 15/8+28/15 15/4+28/30 45/4+28/15 15/4+84/15 15/12+28/15 15/4+28/45 75/4+28/15 15/20+28/15 15/4+28/75 15/28+28/15