Add 3/18 and 75/9
1st number: 3/18, 2nd number: 8 3/9
3/18 + 75/9 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
3/18 = 3 × 1/18 × 1 = 3/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
75/9 = 75 × 2/9 × 2 = 150/18 - Add the two like fractions:
3/18 + 150/18 = 3 + 150/18 = 153/18 - 153/18 simplified gives 17/2
- So, 3/18 + 75/9 = 17/2
In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+75/9 3/36+75/9 3/18+75/18 9/18+75/9 3/54+75/9 3/18+75/27 15/18+75/9 3/90+75/9 3/18+75/45 21/18+75/9 3/18+75/63