Add 2/42 and 30/12
1st number: 2/42, 2nd number: 2 6/12
2/42 + 30/12 is 107/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
2/42 = 2 × 2/42 × 2 = 4/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
30/12 = 30 × 7/12 × 7 = 210/84 - Add the two like fractions:
4/84 + 210/84 = 4 + 210/84 = 214/84 - 214/84 simplified gives 107/42
- So, 2/42 + 30/12 = 107/42
In mixed form: 223/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/42+30/12 2/42+60/12 2/84+30/12 2/42+30/24 6/42+30/12 2/42+90/12 2/42+30/36 10/42+30/12 2/42+30/60 14/42+30/12 2/42+30/84