Add 4/42 and 90/27
1st number: 4/42, 2nd number: 3 9/27
4/42 + 90/27 is 24/7.
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,
4/42 = 4 × 9/42 × 9 = 36/378 - Likewise, for the 2nd fraction, since 27 × 14 = 378,
90/27 = 90 × 14/27 × 14 = 1260/378 - Add the two like fractions:
36/378 + 1260/378 = 36 + 1260/378 = 1296/378 - 1296/378 simplified gives 24/7
- So, 4/42 + 90/27 = 24/7
In mixed form: 33/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/42+90/27 4/84+90/27 4/42+90/54 12/42+90/27 4/42+90/81 20/42+90/27 28/42+90/27