Add 84/12 and 12/14
1st number: 7 0/12, 2nd number: 12/14
84/12 + 12/14 is 55/7.
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,
12/14 = 12 × 6/14 × 6 = 72/84 - Add the two like fractions:
588/84 + 72/84 = 588 + 72/84 = 660/84 - 660/84 simplified gives 55/7
- So, 84/12 + 12/14 = 55/7
In mixed form: 76/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12+24/14 84/24+12/14 84/12+12/28 84/12+36/14 84/36+12/14 84/12+12/42 84/12+60/14 84/60+12/14 84/12+12/70 84/12+84/14 84/12+12/98