Add 2/8 and 84/15
1st number: 2/8, 2nd number: 5 9/15
2/8 + 84/15 is 117/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
2/8 = 2 × 15/8 × 15 = 30/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
84/15 = 84 × 8/15 × 8 = 672/120 - Add the two like fractions:
30/120 + 672/120 = 30 + 672/120 = 702/120 - 702/120 simplified gives 117/20
- So, 2/8 + 84/15 = 117/20
In mixed form: 517/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8+84/15 2/16+84/15 2/8+84/30 6/8+84/15 2/24+84/15 2/8+84/45 10/8+84/15 2/40+84/15 2/8+84/75 14/8+84/15 2/56+84/15