Add 84/75 and 30/18
1st number: 1 9/75, 2nd number: 1 12/18
84/75 + 30/18 is 209/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
84/75 = 84 × 6/75 × 6 = 504/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
30/18 = 30 × 25/18 × 25 = 750/450 - Add the two like fractions:
504/450 + 750/450 = 504 + 750/450 = 1254/450 - 1254/450 simplified gives 209/75
- So, 84/75 + 30/18 = 209/75
In mixed form: 259/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75+60/18 84/75+30/36 84/75+90/18 84/75+30/54 84/75+30/90