Add 15/5 and 6/8
1st number: 3 0/5, 2nd number: 6/8
15/5 + 6/8 is 15/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
15/5 = 15 × 8/5 × 8 = 120/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
6/8 = 6 × 5/8 × 5 = 30/40 - Add the two like fractions:
120/40 + 30/40 = 120 + 30/40 = 150/40 - 150/40 simplified gives 15/4
- So, 15/5 + 6/8 = 15/4
In mixed form: 33/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5+6/8 15/5+12/8 15/10+6/8 15/5+6/16 45/5+6/8 15/5+18/8 15/5+6/24 75/5+6/8 15/5+30/8 15/25+6/8 15/5+6/40 15/5+42/8 15/35+6/8 15/5+6/56