Add 42/18 and 42/84
1st number: 2 6/18, 2nd number: 42/84
42/18 + 42/84 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
42/18 = 42 × 14/18 × 14 = 588/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
42/84 = 42 × 3/84 × 3 = 126/252 - Add the two like fractions:
588/252 + 126/252 = 588 + 126/252 = 714/252 - 714/252 simplified gives 17/6
- So, 42/18 + 42/84 = 17/6
In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+42/84 42/36+42/84 42/54+42/84 42/90+42/84