Add 12/42 and 10/4
1st number: 12/42, 2nd number: 2 2/4
12/42 + 10/4 is 39/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
12/42 = 12 × 2/42 × 2 = 24/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
10/4 = 10 × 21/4 × 21 = 210/84 - Add the two like fractions:
24/84 + 210/84 = 24 + 210/84 = 234/84 - 234/84 simplified gives 39/14
- So, 12/42 + 10/4 = 39/14
In mixed form: 211/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/42+10/4 12/42+20/4 12/84+10/4 12/42+10/8 36/42+10/4 12/42+30/4 12/42+10/12 60/42+10/4 12/42+50/4 12/42+10/20 84/42+10/4 12/42+70/4 12/42+10/28