Add 9/90 and 90/9
1st number: 9/90, 2nd number: 10 0/9
9/90 + 90/9 is 101/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
90/9 = 90 × 10/9 × 10 = 900/90 - Add the two like fractions:
9/90 + 900/90 = 9 + 900/90 = 909/90 - 909/90 simplified gives 101/10
- So, 9/90 + 90/9 = 101/10
In mixed form: 101/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90+90/9 9/90+90/18 27/90+90/9 9/90+90/27 45/90+90/9 9/90+90/45 63/90+90/9 9/90+90/63