Add 42/4 and 12/18
1st number: 10 2/4, 2nd number: 12/18
42/4 + 12/18 is 67/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
42/4 = 42 × 9/4 × 9 = 378/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
12/18 = 12 × 2/18 × 2 = 24/36 - Add the two like fractions:
378/36 + 24/36 = 378 + 24/36 = 402/36 - 402/36 simplified gives 67/6
- So, 42/4 + 12/18 = 67/6
In mixed form: 111/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4+12/18 42/4+24/18 42/8+12/18 42/4+12/36 42/4+36/18 42/12+12/18 42/4+12/54 42/4+60/18 42/20+12/18 42/4+12/90 42/4+84/18 42/28+12/18