Add 20/5 and 3/20
1st number: 4 0/5, 2nd number: 3/20
20/5 + 3/20 is 83/20.
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,
20/5 = 20 × 4/5 × 4 = 80/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
3/20 = 3 × 1/20 × 1 = 3/20 - Add the two like fractions:
80/20 + 3/20 = 80 + 3/20 = 83/20 - So, 20/5 + 3/20 = 83/20
In mixed form: 43/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5+3/20 20/5+6/20 20/10+3/20 20/5+3/40 60/5+3/20 20/5+9/20 20/15+3/20 20/5+3/60 20/5+15/20 20/25+3/20 20/5+21/20 20/35+3/20