Add 30/18 and 27/56
1st number: 1 12/18, 2nd number: 27/56
30/18 + 27/56 is 361/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
30/18 = 30 × 28/18 × 28 = 840/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
27/56 = 27 × 9/56 × 9 = 243/504 - Add the two like fractions:
840/504 + 243/504 = 840 + 243/504 = 1083/504 - 1083/504 simplified gives 361/168
- So, 30/18 + 27/56 = 361/168
In mixed form: 225/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+27/56 30/18+54/56 30/36+27/56 90/18+27/56 30/18+81/56 30/54+27/56 30/90+27/56