Add 75/9 and 15/4
1st number: 8 3/9, 2nd number: 3 3/4
75/9 + 15/4 is 145/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
75/9 = 75 × 4/9 × 4 = 300/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
15/4 = 15 × 9/4 × 9 = 135/36 - Add the two like fractions:
300/36 + 135/36 = 300 + 135/36 = 435/36 - 435/36 simplified gives 145/12
- So, 75/9 + 15/4 = 145/12
In mixed form: 121/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/9+30/4 75/18+15/4 75/9+15/8 75/9+45/4 75/27+15/4 75/9+15/12 75/9+75/4 75/45+15/4 75/9+15/20 75/63+15/4 75/9+15/28