Add 54/42 and 14/27
1st number: 1 12/42, 2nd number: 14/27
54/42 + 14/27 is 341/189.
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,
54/42 = 54 × 9/42 × 9 = 486/378 - Likewise, for the 2nd fraction, since 27 × 14 = 378,
14/27 = 14 × 14/27 × 14 = 196/378 - Add the two like fractions:
486/378 + 196/378 = 486 + 196/378 = 682/378 - 682/378 simplified gives 341/189
- So, 54/42 + 14/27 = 341/189
In mixed form: 1152/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/42+28/27 54/84+14/27 54/42+14/54 54/42+42/27 54/42+14/81 54/42+70/27 54/42+98/27