Add 27/30 and 45/36
1st number: 27/30, 2nd number: 1 9/36
27/30 + 45/36 is 43/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
27/30 = 27 × 6/30 × 6 = 162/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
45/36 = 45 × 5/36 × 5 = 225/180 - Add the two like fractions:
162/180 + 225/180 = 162 + 225/180 = 387/180 - 387/180 simplified gives 43/20
- So, 27/30 + 45/36 = 43/20
In mixed form: 23/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30+45/36 27/30+90/36 27/60+45/36 27/30+45/72 81/30+45/36 27/90+45/36