Add 1/42 and 28/18
1st number: 1/42, 2nd number: 1 10/18
1/42 + 28/18 is 199/126.
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,
1/42 = 1 × 3/42 × 3 = 3/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
28/18 = 28 × 7/18 × 7 = 196/126 - Add the two like fractions:
3/126 + 196/126 = 3 + 196/126 = 199/126 - So, 1/42 + 28/18 = 199/126
In mixed form: 173/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/42+28/18 1/42+56/18 1/84+28/18 1/42+28/36 3/42+28/18 1/42+84/18 1/42+28/54 5/42+28/18 1/42+28/90 7/42+28/18