Add 3/20 and 72/5
1st number: 3/20, 2nd number: 14 2/5
3/20 + 72/5 is 291/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
3/20 = 3 × 1/20 × 1 = 3/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
72/5 = 72 × 4/5 × 4 = 288/20 - Add the two like fractions:
3/20 + 288/20 = 3 + 288/20 = 291/20 - So, 3/20 + 72/5 = 291/20
In mixed form: 1411/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20+72/5 3/40+72/5 3/20+72/10 9/20+72/5 3/60+72/5 3/20+72/15 15/20+72/5 3/20+72/25 21/20+72/5 3/20+72/35