Add 20/6 and 72/27
1st number: 3 2/6, 2nd number: 2 18/27
20/6 + 72/27 is 6/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 6 × 9 = 54,
20/6 = 20 × 9/6 × 9 = 180/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
72/27 = 72 × 2/27 × 2 = 144/54 - Add the two like fractions:
180/54 + 144/54 = 180 + 144/54 = 324/54 - 324/54 simplified gives 6/1
- So, 20/6 + 72/27 = 6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6+72/27 20/12+72/27 20/6+72/54 60/6+72/27 20/18+72/27 20/6+72/81 20/30+72/27 20/42+72/27