Add 5/15 and 28/8
1st number: 5/15, 2nd number: 3 4/8
5/15 + 28/8 is 23/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
5/15 = 5 × 8/15 × 8 = 40/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
28/8 = 28 × 15/8 × 15 = 420/120 - Add the two like fractions:
40/120 + 420/120 = 40 + 420/120 = 460/120 - 460/120 simplified gives 23/6
- So, 5/15 + 28/8 = 23/6
In mixed form: 35/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/15+28/8 5/15+56/8 5/30+28/8 5/15+28/16 5/15+84/8 5/45+28/8 5/15+28/24 25/15+28/8 5/75+28/8 5/15+28/40 35/15+28/8 5/15+28/56