Add 18/3 and 9/42
1st number: 6 0/3, 2nd number: 9/42
18/3 + 9/42 is 87/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
18/3 = 18 × 14/3 × 14 = 252/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
9/42 = 9 × 1/42 × 1 = 9/42 - Add the two like fractions:
252/42 + 9/42 = 252 + 9/42 = 261/42 - 261/42 simplified gives 87/14
- So, 18/3 + 9/42 = 87/14
In mixed form: 63/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3+9/42 18/3+18/42 18/6+9/42 18/3+9/84 54/3+9/42 18/3+27/42 18/9+9/42 90/3+9/42 18/3+45/42 18/15+9/42 18/3+63/42 18/21+9/42