Add 27/45 and 20/36
27/45 + 20/36 is 52/45.
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,
20/36 = 20 × 5/36 × 5 = 100/180 - Add the two like fractions:
108/180 + 100/180 = 108 + 100/180 = 208/180 - 208/180 simplified gives 52/45
- So, 27/45 + 20/36 = 52/45
In mixed form: 17/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45+20/36 27/45+40/36 27/90+20/36 27/45+20/72 81/45+20/36 27/45+60/36