Add 10/42 and 36/27
1st number: 10/42, 2nd number: 1 9/27
10/42 + 36/27 is 11/7.
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,
10/42 = 10 × 9/42 × 9 = 90/378 - Likewise, for the 2nd fraction, since 27 × 14 = 378,
36/27 = 36 × 14/27 × 14 = 504/378 - Add the two like fractions:
90/378 + 504/378 = 90 + 504/378 = 594/378 - 594/378 simplified gives 11/7
- So, 10/42 + 36/27 = 11/7
In mixed form: 14/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42+36/27 10/42+72/27 10/84+36/27 10/42+36/54 30/42+36/27 10/42+36/81 50/42+36/27 70/42+36/27