Add 9/15 and 24/90
9/15 + 24/90 is 13/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
9/15 = 9 × 6/15 × 6 = 54/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
24/90 = 24 × 1/90 × 1 = 24/90 - Add the two like fractions:
54/90 + 24/90 = 54 + 24/90 = 78/90 - 78/90 simplified gives 13/15
- So, 9/15 + 24/90 = 13/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15+24/90 9/15+48/90 9/30+24/90 27/15+24/90 9/15+72/90 9/45+24/90 45/15+24/90 9/75+24/90 63/15+24/90