Add 20/5 and 35/80
1st number: 4 0/5, 2nd number: 35/80
20/5 + 35/80 is 71/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
20/5 = 20 × 16/5 × 16 = 320/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
35/80 = 35 × 1/80 × 1 = 35/80 - Add the two like fractions:
320/80 + 35/80 = 320 + 35/80 = 355/80 - 355/80 simplified gives 71/16
- So, 20/5 + 35/80 = 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: 40/5+35/80 20/5+70/80 20/10+35/80 60/5+35/80 20/15+35/80 20/25+35/80 20/35+35/80