Add 27/90 and 42/36
1st number: 27/90, 2nd number: 1 6/36
27/90 + 42/36 is 22/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
27/90 = 27 × 2/90 × 2 = 54/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
42/36 = 42 × 5/36 × 5 = 210/180 - Add the two like fractions:
54/180 + 210/180 = 54 + 210/180 = 264/180 - 264/180 simplified gives 22/15
- So, 27/90 + 42/36 = 22/15
In mixed form: 17/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90+42/36 27/90+84/36 27/90+42/72 81/90+42/36