Add 10/42 and 18/6
1st number: 10/42, 2nd number: 3 0/6
10/42 + 18/6 is 68/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
10/42 = 10 × 1/42 × 1 = 10/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
18/6 = 18 × 7/6 × 7 = 126/42 - Add the two like fractions:
10/42 + 126/42 = 10 + 126/42 = 136/42 - 136/42 simplified gives 68/21
- So, 10/42 + 18/6 = 68/21
In mixed form: 35/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42+18/6 10/42+36/6 10/84+18/6 10/42+18/12 30/42+18/6 10/42+54/6 50/42+18/6 10/42+90/6 10/42+18/30 70/42+18/6 10/42+18/42