Add 75/12 and 84/7
1st number: 6 3/12, 2nd number: 12 0/7
75/12 + 84/7 is 73/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
75/12 = 75 × 7/12 × 7 = 525/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
84/7 = 84 × 12/7 × 12 = 1008/84 - Add the two like fractions:
525/84 + 1008/84 = 525 + 1008/84 = 1533/84 - 1533/84 simplified gives 73/4
- So, 75/12 + 84/7 = 73/4
In mixed form: 181/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/24+84/7 75/12+84/14 75/36+84/7 75/12+84/21 75/60+84/7 75/12+84/35 75/84+84/7 75/12+84/49