Add 10/42 and 35/18
1st number: 10/42, 2nd number: 1 17/18
10/42 + 35/18 is 275/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
10/42 = 10 × 3/42 × 3 = 30/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
35/18 = 35 × 7/18 × 7 = 245/126 - Add the two like fractions:
30/126 + 245/126 = 30 + 245/126 = 275/126 - So, 10/42 + 35/18 = 275/126
In mixed form: 223/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42+35/18 10/42+70/18 10/84+35/18 10/42+35/36 30/42+35/18 10/42+35/54 50/42+35/18 10/42+35/90 70/42+35/18