Add 30/2 and 80/5
1st number: 15 0/2, 2nd number: 16 0/5
30/2 + 80/5 is 31/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
30/2 = 30 × 5/2 × 5 = 150/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
80/5 = 80 × 2/5 × 2 = 160/10 - Add the two like fractions:
150/10 + 160/10 = 150 + 160/10 = 310/10 - 310/10 simplified gives 31/1
- So, 30/2 + 80/5 = 31/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2+80/5 30/4+80/5 30/2+80/10 90/2+80/5 30/6+80/5 30/2+80/15 30/10+80/5 30/2+80/25 30/14+80/5 30/2+80/35