Add 80/5 and 20/80
1st number: 16 0/5, 2nd number: 20/80
80/5 + 20/80 is 65/4.
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,
80/5 = 80 × 16/5 × 16 = 1280/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
20/80 = 20 × 1/80 × 1 = 20/80 - Add the two like fractions:
1280/80 + 20/80 = 1280 + 20/80 = 1300/80 - 1300/80 simplified gives 65/4
- So, 80/5 + 20/80 = 65/4
In mixed form: 161/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5+40/80 80/10+20/80 80/5+60/80 80/15+20/80 80/25+20/80 80/35+20/80