Add 6/42 and 18/8
1st number: 6/42, 2nd number: 2 2/8
6/42 + 18/8 is 67/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
6/42 = 6 × 4/42 × 4 = 24/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
18/8 = 18 × 21/8 × 21 = 378/168 - Add the two like fractions:
24/168 + 378/168 = 24 + 378/168 = 402/168 - 402/168 simplified gives 67/28
- So, 6/42 + 18/8 = 67/28
In mixed form: 211/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/42+18/8 6/42+36/8 6/84+18/8 6/42+18/16 18/42+18/8 6/42+54/8 6/42+18/24 30/42+18/8 6/42+90/8 6/42+18/40 6/42+18/56