Add 20/18 and 27/4
1st number: 1 2/18, 2nd number: 6 3/4
20/18 + 27/4 is 283/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
20/18 = 20 × 2/18 × 2 = 40/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
27/4 = 27 × 9/4 × 9 = 243/36 - Add the two like fractions:
40/36 + 243/36 = 40 + 243/36 = 283/36 - So, 20/18 + 27/4 = 283/36
In mixed form: 731/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18+27/4 20/18+54/4 20/36+27/4 20/18+27/8 60/18+27/4 20/18+81/4 20/54+27/4 20/18+27/12 20/90+27/4 20/18+27/20 20/18+27/28