Add 27/42 and 10/9
1st number: 27/42, 2nd number: 1 1/9
27/42 + 10/9 is 221/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
27/42 = 27 × 3/42 × 3 = 81/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
10/9 = 10 × 14/9 × 14 = 140/126 - Add the two like fractions:
81/126 + 140/126 = 81 + 140/126 = 221/126 - So, 27/42 + 10/9 = 221/126
In mixed form: 195/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/42+10/9 27/42+20/9 27/84+10/9 27/42+10/18 81/42+10/9 27/42+30/9 27/42+10/27 27/42+50/9 27/42+10/45 27/42+70/9 27/42+10/63