Add 75/9 and 28/30
1st number: 8 3/9, 2nd number: 28/30
75/9 + 28/30 is 139/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
75/9 = 75 × 10/9 × 10 = 750/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
28/30 = 28 × 3/30 × 3 = 84/90 - Add the two like fractions:
750/90 + 84/90 = 750 + 84/90 = 834/90 - 834/90 simplified gives 139/15
- So, 75/9 + 28/30 = 139/15
In mixed form: 94/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/9+56/30 75/18+28/30 75/9+28/60 75/9+84/30 75/27+28/30 75/9+28/90 75/45+28/30 75/63+28/30