Add 30/75 and 6/18
30/75 + 6/18 is 11/15.
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,
30/75 = 30 × 6/75 × 6 = 180/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
6/18 = 6 × 25/18 × 25 = 150/450 - Add the two like fractions:
180/450 + 150/450 = 180 + 150/450 = 330/450 - 330/450 simplified gives 11/15
- So, 30/75 + 6/18 = 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75+6/18 30/75+12/18 30/75+6/36 90/75+6/18 30/75+6/54 30/75+30/18 30/75+6/90 30/75+42/18