Add 1/42 and 18/8
1st number: 1/42, 2nd number: 2 2/8
1/42 + 18/8 is 191/84.
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,
1/42 = 1 × 4/42 × 4 = 4/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
18/8 = 18 × 21/8 × 21 = 378/168 - Add the two like fractions:
4/168 + 378/168 = 4 + 378/168 = 382/168 - 382/168 simplified gives 191/84
- So, 1/42 + 18/8 = 191/84
In mixed form: 223/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/42+18/8 1/42+36/8 1/84+18/8 1/42+18/16 3/42+18/8 1/42+54/8 1/42+18/24 5/42+18/8 1/42+90/8 1/42+18/40 7/42+18/8 1/42+18/56