Add 90/36 and 27/72
1st number: 2 18/36, 2nd number: 27/72
90/36 + 27/72 is 23/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
90/36 = 90 × 2/36 × 2 = 180/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
27/72 = 27 × 1/72 × 1 = 27/72 - Add the two like fractions:
180/72 + 27/72 = 180 + 27/72 = 207/72 - 207/72 simplified gives 23/8
- So, 90/36 + 27/72 = 23/8
In mixed form: 27/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36+54/72 90/72+27/72 90/36+81/72