Add 27/45 and 90/36
1st number: 27/45, 2nd number: 2 18/36
27/45 + 90/36 is 31/10.
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,
90/36 = 90 × 5/36 × 5 = 450/180 - Add the two like fractions:
108/180 + 450/180 = 108 + 450/180 = 558/180 - 558/180 simplified gives 31/10
- So, 27/45 + 90/36 = 31/10
In mixed form: 31/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45+90/36 27/90+90/36 27/45+90/72 81/45+90/36