Add 90/36 and 6/72
1st number: 2 18/36, 2nd number: 6/72
90/36 + 6/72 is 31/12.
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,
6/72 = 6 × 1/72 × 1 = 6/72 - Add the two like fractions:
180/72 + 6/72 = 180 + 6/72 = 186/72 - 186/72 simplified gives 31/12
- So, 90/36 + 6/72 = 31/12
In mixed form: 27/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36+12/72 90/72+6/72 90/36+18/72 90/36+30/72 90/36+42/72