Add 10/5 and 30/8
1st number: 2 0/5, 2nd number: 3 6/8
10/5 + 30/8 is 23/4.
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,
10/5 = 10 × 8/5 × 8 = 80/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
30/8 = 30 × 5/8 × 5 = 150/40 - Add the two like fractions:
80/40 + 150/40 = 80 + 150/40 = 230/40 - 230/40 simplified gives 23/4
- So, 10/5 + 30/8 = 23/4
In mixed form: 53/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5+30/8 10/5+60/8 10/5+30/16 30/5+30/8 10/5+90/8 10/15+30/8 10/5+30/24 50/5+30/8 10/25+30/8 10/5+30/40 70/5+30/8 10/35+30/8 10/5+30/56