Add 3/5 and 20/80
3/5 + 20/80 is 17/20.
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,
3/5 = 3 × 16/5 × 16 = 48/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
20/80 = 20 × 1/80 × 1 = 20/80 - Add the two like fractions:
48/80 + 20/80 = 48 + 20/80 = 68/80 - 68/80 simplified gives 17/20
- So, 3/5 + 20/80 = 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/5+20/80 3/5+40/80 3/10+20/80 9/5+20/80 3/5+60/80 3/15+20/80 15/5+20/80 3/25+20/80 21/5+20/80 3/35+20/80