Add 2/20 and 27/18
1st number: 2/20, 2nd number: 1 9/18
2/20 + 27/18 is 8/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
2/20 = 2 × 9/20 × 9 = 18/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
27/18 = 27 × 10/18 × 10 = 270/180 - Add the two like fractions:
18/180 + 270/180 = 18 + 270/180 = 288/180 - 288/180 simplified gives 8/5
- So, 2/20 + 27/18 = 8/5
In mixed form: 13/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20+27/18 2/20+54/18 2/40+27/18 2/20+27/36 6/20+27/18 2/20+81/18 2/60+27/18 2/20+27/54 10/20+27/18 2/20+27/90 14/20+27/18