Add 30/18 and 36/14
1st number: 1 12/18, 2nd number: 2 8/14
30/18 + 36/14 is 89/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
30/18 = 30 × 7/18 × 7 = 210/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
36/14 = 36 × 9/14 × 9 = 324/126 - Add the two like fractions:
210/126 + 324/126 = 210 + 324/126 = 534/126 - 534/126 simplified gives 89/21
- So, 30/18 + 36/14 = 89/21
In mixed form: 45/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+36/14 30/18+72/14 30/36+36/14 30/18+36/28 90/18+36/14 30/54+36/14 30/18+36/42 30/90+36/14 30/18+36/70 30/18+36/98