Add 54/36 and 20/56
1st number: 1 18/36, 2nd number: 20/56
54/36 + 20/56 is 13/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 36 × 14 = 504,
54/36 = 54 × 14/36 × 14 = 756/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
20/56 = 20 × 9/56 × 9 = 180/504 - Add the two like fractions:
756/504 + 180/504 = 756 + 180/504 = 936/504 - 936/504 simplified gives 13/7
- So, 54/36 + 20/56 = 13/7
In mixed form: 16/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/36+40/56 54/72+20/56 54/36+60/56