Add 42/18 and 12/14
1st number: 2 6/18, 2nd number: 12/14
42/18 + 12/14 is 67/21.
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,
42/18 = 42 × 7/18 × 7 = 294/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
12/14 = 12 × 9/14 × 9 = 108/126 - Add the two like fractions:
294/126 + 108/126 = 294 + 108/126 = 402/126 - 402/126 simplified gives 67/21
- So, 42/18 + 12/14 = 67/21
In mixed form: 34/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+12/14 42/18+24/14 42/36+12/14 42/18+12/28 42/18+36/14 42/54+12/14 42/18+12/42 42/18+60/14 42/90+12/14 42/18+12/70 42/18+84/14 42/18+12/98