Add 90/6 and 18/36
1st number: 15 0/6, 2nd number: 18/36
90/6 + 18/36 is 31/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 6 × 6 = 36,
90/6 = 90 × 6/6 × 6 = 540/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
18/36 = 18 × 1/36 × 1 = 18/36 - Add the two like fractions:
540/36 + 18/36 = 540 + 18/36 = 558/36 - 558/36 simplified gives 31/2
- So, 90/6 + 18/36 = 31/2
In mixed form: 151/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+18/36 90/6+18/72 90/6+54/36 90/18+18/36 90/6+90/36 90/30+18/36 90/42+18/36