Add 9/15 and 90/6
1st number: 9/15, 2nd number: 15 0/6
9/15 + 90/6 is 78/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
9/15 = 9 × 2/15 × 2 = 18/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
90/6 = 90 × 5/6 × 5 = 450/30 - Add the two like fractions:
18/30 + 450/30 = 18 + 450/30 = 468/30 - 468/30 simplified gives 78/5
- So, 9/15 + 90/6 = 78/5
In mixed form: 153/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15+90/6 9/30+90/6 9/15+90/12 27/15+90/6 9/45+90/6 9/15+90/18 45/15+90/6 9/75+90/6 9/15+90/30 63/15+90/6 9/15+90/42