Add 27/56 and 20/18
1st number: 27/56, 2nd number: 1 2/18
27/56 + 20/18 is 803/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
27/56 = 27 × 9/56 × 9 = 243/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
20/18 = 20 × 28/18 × 28 = 560/504 - Add the two like fractions:
243/504 + 560/504 = 243 + 560/504 = 803/504 - So, 27/56 + 20/18 = 803/504
In mixed form: 1299/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/56+20/18 27/56+40/18 27/56+20/36 81/56+20/18 27/56+60/18 27/56+20/54 27/56+20/90