Add 30/9 and 18/27
1st number: 3 3/9, 2nd number: 18/27
30/9 + 18/27 is 4/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 9 × 3 = 27,
30/9 = 30 × 3/9 × 3 = 90/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
18/27 = 18 × 1/27 × 1 = 18/27 - Add the two like fractions:
90/27 + 18/27 = 90 + 18/27 = 108/27 - 108/27 simplified gives 4/1
- So, 30/9 + 18/27 = 4/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9+18/27 30/9+36/27 30/18+18/27 30/9+18/54 90/9+18/27 30/9+54/27 30/27+18/27 30/9+18/81 30/9+90/27 30/45+18/27 30/63+18/27