Add 30/20 and 80/5
1st number: 1 10/20, 2nd number: 16 0/5
30/20 + 80/5 is 35/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
30/20 = 30 × 1/20 × 1 = 30/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
80/5 = 80 × 4/5 × 4 = 320/20 - Add the two like fractions:
30/20 + 320/20 = 30 + 320/20 = 350/20 - 350/20 simplified gives 35/2
- So, 30/20 + 80/5 = 35/2
In mixed form: 171/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+80/5 30/40+80/5 30/20+80/10 90/20+80/5 30/60+80/5 30/20+80/15 30/20+80/25 30/20+80/35