Add 15/75 and 6/9
15/75 + 6/9 is 13/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
15/75 = 15 × 3/75 × 3 = 45/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
6/9 = 6 × 25/9 × 25 = 150/225 - Add the two like fractions:
45/225 + 150/225 = 45 + 150/225 = 195/225 - 195/225 simplified gives 13/15
- So, 15/75 + 6/9 = 13/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/75+6/9 15/75+12/9 15/75+6/18 45/75+6/9 15/75+18/9 15/75+6/27 15/75+30/9 15/75+6/45 15/75+42/9 15/75+6/63