Add 35/80 and 20/5
1st number: 35/80, 2nd number: 4 0/5
35/80 + 20/5 is 71/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
35/80 = 35 × 1/80 × 1 = 35/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
20/5 = 20 × 16/5 × 16 = 320/80 - Add the two like fractions:
35/80 + 320/80 = 35 + 320/80 = 355/80 - 355/80 simplified gives 71/16
- So, 35/80 + 20/5 = 71/16
In mixed form: 47/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/80+20/5 35/80+40/5 35/80+20/10 35/80+60/5 35/80+20/15 35/80+20/25 35/80+20/35