Add 20/6 and 20/72
1st number: 3 2/6, 2nd number: 20/72
20/6 + 20/72 is 65/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 6 × 12 = 72,
20/6 = 20 × 12/6 × 12 = 240/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72 - Add the two like fractions:
240/72 + 20/72 = 240 + 20/72 = 260/72 - 260/72 simplified gives 65/18
- So, 20/6 + 20/72 = 65/18
In mixed form: 311/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6+20/72 20/6+40/72 20/12+20/72 60/6+20/72 20/6+60/72 20/18+20/72 20/30+20/72 20/42+20/72