Add 90/6 and 18/9
1st number: 15 0/6, 2nd number: 2 0/9
90/6 + 18/9 is 17/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
90/6 = 90 × 3/6 × 3 = 270/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
18/9 = 18 × 2/9 × 2 = 36/18 - Add the two like fractions:
270/18 + 36/18 = 270 + 36/18 = 306/18 - 306/18 simplified gives 17/1
- So, 90/6 + 18/9 = 17/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6+36/9 90/12+18/9 90/6+54/9 90/18+18/9 90/6+18/27 90/6+90/9 90/30+18/9 90/6+18/45 90/42+18/9 90/6+18/63