Add 2/8 and 15/5
1st number: 2/8, 2nd number: 3 0/5
2/8 + 15/5 is 13/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
2/8 = 2 × 5/8 × 5 = 10/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
15/5 = 15 × 8/5 × 8 = 120/40 - Add the two like fractions:
10/40 + 120/40 = 10 + 120/40 = 130/40 - 130/40 simplified gives 13/4
- So, 2/8 + 15/5 = 13/4
In mixed form: 31/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8+15/5 2/8+30/5 2/16+15/5 2/8+15/10 6/8+15/5 2/8+45/5 2/24+15/5 10/8+15/5 2/8+75/5 2/40+15/5 2/8+15/25 14/8+15/5 2/56+15/5 2/8+15/35