Add 75/15 and 3/9
1st number: 5 0/15, 2nd number: 3/9
75/15 + 3/9 is 16/3.
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,
75/15 = 75 × 3/15 × 3 = 225/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
3/9 = 3 × 5/9 × 5 = 15/45 - Add the two like fractions:
225/45 + 15/45 = 225 + 15/45 = 240/45 - 240/45 simplified gives 16/3
- So, 75/15 + 3/9 = 16/3
In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/15+6/9 75/30+3/9 75/15+3/18 75/45+3/9 75/15+3/27 75/15+15/9 75/15+3/45 75/15+21/9 75/15+3/63