Add 84/12 and 42/14
1st number: 7 0/12, 2nd number: 3 0/14
84/12 + 42/14 is 10/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
84/12 = 84 × 7/12 × 7 = 588/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
42/14 = 42 × 6/14 × 6 = 252/84 - Add the two like fractions:
588/84 + 252/84 = 588 + 252/84 = 840/84 - 840/84 simplified gives 10/1
- So, 84/12 + 42/14 = 10/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12+84/14 84/24+42/14 84/12+42/28 84/36+42/14 84/60+42/14 84/12+42/70 84/12+42/98