Add 84/42 and 7/27
1st number: 2 0/42, 2nd number: 7/27
84/42 + 7/27 is 61/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 27 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
84/42 = 84 × 9/42 × 9 = 756/378 - Likewise, for the 2nd fraction, since 27 × 14 = 378,
7/27 = 7 × 14/27 × 14 = 98/378 - Add the two like fractions:
756/378 + 98/378 = 756 + 98/378 = 854/378 - 854/378 simplified gives 61/27
- So, 84/42 + 7/27 = 61/27
In mixed form: 27/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/42+14/27 84/42+7/54 84/42+21/27 84/42+7/81 84/42+35/27 84/42+49/27