Add 3/42 and 80/27
1st number: 3/42, 2nd number: 2 26/27
3/42 + 80/27 is 1147/378.
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,
3/42 = 3 × 9/42 × 9 = 27/378 - Likewise, for the 2nd fraction, since 27 × 14 = 378,
80/27 = 80 × 14/27 × 14 = 1120/378 - Add the two like fractions:
27/378 + 1120/378 = 27 + 1120/378 = 1147/378 - So, 3/42 + 80/27 = 1147/378
In mixed form: 313/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/42+80/27 3/84+80/27 3/42+80/54 9/42+80/27 3/42+80/81 15/42+80/27 21/42+80/27