Add 90/42 and 49/27
1st number: 2 6/42, 2nd number: 1 22/27
90/42 + 49/27 is 748/189.
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,
90/42 = 90 × 9/42 × 9 = 810/378 - Likewise, for the 2nd fraction, since 27 × 14 = 378,
49/27 = 49 × 14/27 × 14 = 686/378 - Add the two like fractions:
810/378 + 686/378 = 810 + 686/378 = 1496/378 - 1496/378 simplified gives 748/189
- So, 90/42 + 49/27 = 748/189
In mixed form: 3181/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/42+98/27 90/84+49/27 90/42+49/54 90/42+49/81