Add 81/75 and 30/9
1st number: 1 6/75, 2nd number: 3 3/9
81/75 + 30/9 is 331/75.
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,
81/75 = 81 × 3/75 × 3 = 243/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
30/9 = 30 × 25/9 × 25 = 750/225 - Add the two like fractions:
243/225 + 750/225 = 243 + 750/225 = 993/225 - 993/225 simplified gives 331/75
- So, 81/75 + 30/9 = 331/75
In mixed form: 431/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/75+60/9 81/75+30/18 81/75+90/9 81/75+30/27 81/75+30/45 81/75+30/63