Add 30/18 and 5/75
1st number: 1 12/18, 2nd number: 5/75
30/18 + 5/75 is 26/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
30/18 = 30 × 25/18 × 25 = 750/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
5/75 = 5 × 6/75 × 6 = 30/450 - Add the two like fractions:
750/450 + 30/450 = 750 + 30/450 = 780/450 - 780/450 simplified gives 26/15
- So, 30/18 + 5/75 = 26/15
In mixed form: 111/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+5/75 30/18+10/75 30/36+5/75 90/18+5/75 30/18+15/75 30/54+5/75 30/18+25/75 30/90+5/75 30/18+35/75