Add 30/18 and 4/14
1st number: 1 12/18, 2nd number: 4/14
30/18 + 4/14 is 41/21.
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,
4/14 = 4 × 9/14 × 9 = 36/126 - Add the two like fractions:
210/126 + 36/126 = 210 + 36/126 = 246/126 - 246/126 simplified gives 41/21
- So, 30/18 + 4/14 = 41/21
In mixed form: 120/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+4/14 30/18+8/14 30/36+4/14 30/18+4/28 90/18+4/14 30/18+12/14 30/54+4/14 30/18+4/42 30/18+20/14 30/90+4/14 30/18+4/70 30/18+28/14 30/18+4/98