Add 90/9 and 98/90
1st number: 10 0/9, 2nd number: 1 8/90
90/9 + 98/90 is 499/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
90/9 = 90 × 10/9 × 10 = 900/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
98/90 = 98 × 1/90 × 1 = 98/90 - Add the two like fractions:
900/90 + 98/90 = 900 + 98/90 = 998/90 - 998/90 simplified gives 499/45
- So, 90/9 + 98/90 = 499/45
In mixed form: 114/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18+98/90 90/27+98/90 90/45+98/90 90/63+98/90