Add 42/6 and 28/27
1st number: 7 0/6, 2nd number: 1 1/27
42/6 + 28/27 is 217/27.
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,
42/6 = 42 × 9/6 × 9 = 378/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
28/27 = 28 × 2/27 × 2 = 56/54 - Add the two like fractions:
378/54 + 56/54 = 378 + 56/54 = 434/54 - 434/54 simplified gives 217/27
- So, 42/6 + 28/27 = 217/27
In mixed form: 81/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/6+28/27 42/6+56/27 42/12+28/27 42/6+28/54 42/6+84/27 42/18+28/27 42/6+28/81 42/30+28/27