Add 84/42 and 10/27
1st number: 2 0/42, 2nd number: 10/27
84/42 + 10/27 is 64/27.
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,
10/27 = 10 × 14/27 × 14 = 140/378 - Add the two like fractions:
756/378 + 140/378 = 756 + 140/378 = 896/378 - 896/378 simplified gives 64/27
- So, 84/42 + 10/27 = 64/27
In mixed form: 210/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/42+20/27 84/42+10/54 84/42+30/27 84/42+10/81 84/42+50/27 84/42+70/27