Add 10/15 and 90/9
1st number: 10/15, 2nd number: 10 0/9
10/15 + 90/9 is 32/3.
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,
10/15 = 10 × 3/15 × 3 = 30/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
90/9 = 90 × 5/9 × 5 = 450/45 - Add the two like fractions:
30/45 + 450/45 = 30 + 450/45 = 480/45 - 480/45 simplified gives 32/3
- So, 10/15 + 90/9 = 32/3
In mixed form: 102/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/15+90/9 10/30+90/9 10/15+90/18 30/15+90/9 10/45+90/9 10/15+90/27 50/15+90/9 10/75+90/9 10/15+90/45 70/15+90/9 10/15+90/63