Add 27/45 and 27/36
27/45 + 27/36 is 27/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
27/45 = 27 × 4/45 × 4 = 108/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
27/36 = 27 × 5/36 × 5 = 135/180 - Add the two like fractions:
108/180 + 135/180 = 108 + 135/180 = 243/180 - 243/180 simplified gives 27/20
- So, 27/45 + 27/36 = 27/20
In mixed form: 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45+27/36 27/45+54/36 27/90+27/36 27/45+27/72 81/45+27/36 27/45+81/36