Add 3/5 and 5/20
3/5 + 5/20 is 17/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
3/5 = 3 × 4/5 × 4 = 12/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
5/20 = 5 × 1/20 × 1 = 5/20 - Add the two like fractions:
12/20 + 5/20 = 12 + 5/20 = 17/20 - So, 3/5 + 5/20 = 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+5/20 3/5+10/20 3/10+5/20 3/5+5/40 9/5+5/20 3/5+15/20 3/15+5/20 3/5+5/60 15/5+5/20 3/5+25/20 3/25+5/20 21/5+5/20 3/5+35/20 3/35+5/20