Add 10/4 and 12/42
1st number: 2 2/4, 2nd number: 12/42
10/4 + 12/42 is 39/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
10/4 = 10 × 21/4 × 21 = 210/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
12/42 = 12 × 2/42 × 2 = 24/84 - Add the two like fractions:
210/84 + 24/84 = 210 + 24/84 = 234/84 - 234/84 simplified gives 39/14
- So, 10/4 + 12/42 = 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: 20/4+12/42 10/4+24/42 10/8+12/42 10/4+12/84 30/4+12/42 10/4+36/42 10/12+12/42 50/4+12/42 10/4+60/42 10/20+12/42 70/4+12/42 10/4+84/42 10/28+12/42