Add 30/18 and 3/14
1st number: 1 12/18, 2nd number: 3/14
30/18 + 3/14 is 79/42.
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,
3/14 = 3 × 9/14 × 9 = 27/126 - Add the two like fractions:
210/126 + 27/126 = 210 + 27/126 = 237/126 - 237/126 simplified gives 79/42
- So, 30/18 + 3/14 = 79/42
In mixed form: 137/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+3/14 30/18+6/14 30/36+3/14 30/18+3/28 90/18+3/14 30/18+9/14 30/54+3/14 30/18+3/42 30/18+15/14 30/90+3/14 30/18+3/70 30/18+21/14 30/18+3/98