Add 9/15 and 90/9
1st number: 9/15, 2nd number: 10 0/9
9/15 + 90/9 is 53/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
9/15 = 9 × 3/15 × 3 = 27/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
90/9 = 90 × 5/9 × 5 = 450/45 - Add the two like fractions:
27/45 + 450/45 = 27 + 450/45 = 477/45 - 477/45 simplified gives 53/5
- So, 9/15 + 90/9 = 53/5
In mixed form: 103/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15+90/9 9/30+90/9 9/15+90/18 27/15+90/9 9/45+90/9 9/15+90/27 45/15+90/9 9/75+90/9 9/15+90/45 63/15+90/9 9/15+90/63