Add 18/3 and 10/42
1st number: 6 0/3, 2nd number: 10/42
18/3 + 10/42 is 131/21.
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,
10/42 = 10 × 1/42 × 1 = 10/42 - Add the two like fractions:
252/42 + 10/42 = 252 + 10/42 = 262/42 - 262/42 simplified gives 131/21
- So, 18/3 + 10/42 = 131/21
In mixed form: 65/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3+10/42 18/3+20/42 18/6+10/42 18/3+10/84 54/3+10/42 18/3+30/42 18/9+10/42 90/3+10/42 18/3+50/42 18/15+10/42 18/3+70/42 18/21+10/42