Add 18/42 and 98/8
1st number: 18/42, 2nd number: 12 2/8
18/42 + 98/8 is 355/28.
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,
18/42 = 18 × 4/42 × 4 = 72/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
98/8 = 98 × 21/8 × 21 = 2058/168 - Add the two like fractions:
72/168 + 2058/168 = 72 + 2058/168 = 2130/168 - 2130/168 simplified gives 355/28
- So, 18/42 + 98/8 = 355/28
In mixed form: 1219/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/42+98/8 18/84+98/8 18/42+98/16 54/42+98/8 18/42+98/24 90/42+98/8 18/42+98/40 18/42+98/56