Add 30/18 and 36/27
1st number: 1 12/18, 2nd number: 1 9/27
30/18 + 36/27 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
30/18 = 30 × 3/18 × 3 = 90/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
36/27 = 36 × 2/27 × 2 = 72/54 - Add the two like fractions:
90/54 + 72/54 = 90 + 72/54 = 162/54 - 162/54 simplified gives 3/1
- So, 30/18 + 36/27 = 3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+36/27 30/18+72/27 30/36+36/27 30/18+36/54 90/18+36/27 30/54+36/27 30/18+36/81 30/90+36/27