Add 84/6 and 42/27
1st number: 14 0/6, 2nd number: 1 15/27
84/6 + 42/27 is 140/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 6 × 9 = 54,
84/6 = 84 × 9/6 × 9 = 756/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
42/27 = 42 × 2/27 × 2 = 84/54 - Add the two like fractions:
756/54 + 84/54 = 756 + 84/54 = 840/54 - 840/54 simplified gives 140/9
- So, 84/6 + 42/27 = 140/9
In mixed form: 155/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/6+84/27 84/12+42/27 84/6+42/54 84/18+42/27 84/6+42/81 84/30+42/27 84/42+42/27