Add 20/3 and 5/72
1st number: 6 2/3, 2nd number: 5/72
20/3 + 5/72 is 485/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 3 × 24 = 72,
20/3 = 20 × 24/3 × 24 = 480/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
5/72 = 5 × 1/72 × 1 = 5/72 - Add the two like fractions:
480/72 + 5/72 = 480 + 5/72 = 485/72 - So, 20/3 + 5/72 = 485/72
In mixed form: 653/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/3+5/72 20/3+10/72 20/6+5/72 60/3+5/72 20/3+15/72 20/9+5/72 20/3+25/72 20/15+5/72 20/3+35/72 20/21+5/72