Add 14/12 and 3/42
1st number: 1 2/12, 2nd number: 3/42
14/12 + 3/42 is 26/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
14/12 = 14 × 7/12 × 7 = 98/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
3/42 = 3 × 2/42 × 2 = 6/84 - Add the two like fractions:
98/84 + 6/84 = 98 + 6/84 = 104/84 - 104/84 simplified gives 26/21
- So, 14/12 + 3/42 = 26/21
In mixed form: 15/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/12+3/42 14/12+6/42 14/24+3/42 14/12+3/84 42/12+3/42 14/12+9/42 14/36+3/42 70/12+3/42 14/12+15/42 14/60+3/42 98/12+3/42 14/12+21/42 14/84+3/42