Add 5/3 and 72/20
1st number: 1 2/3, 2nd number: 3 12/20
5/3 + 72/20 is 79/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
5/3 = 5 × 20/3 × 20 = 100/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
72/20 = 72 × 3/20 × 3 = 216/60 - Add the two like fractions:
100/60 + 216/60 = 100 + 216/60 = 316/60 - 316/60 simplified gives 79/15
- So, 5/3 + 72/20 = 79/15
In mixed form: 54/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/3+72/20 5/6+72/20 5/3+72/40 15/3+72/20 5/9+72/20 5/3+72/60 25/3+72/20 5/15+72/20 35/3+72/20 5/21+72/20