Add 10/15 and 20/8
1st number: 10/15, 2nd number: 2 4/8
10/15 + 20/8 is 19/6.
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,
10/15 = 10 × 8/15 × 8 = 80/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
20/8 = 20 × 15/8 × 15 = 300/120 - Add the two like fractions:
80/120 + 300/120 = 80 + 300/120 = 380/120 - 380/120 simplified gives 19/6
- So, 10/15 + 20/8 = 19/6
In mixed form: 31/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/15+20/8 10/15+40/8 10/30+20/8 10/15+20/16 30/15+20/8 10/15+60/8 10/45+20/8 10/15+20/24 50/15+20/8 10/75+20/8 10/15+20/40 70/15+20/8 10/15+20/56