Add 84/12 and 56/7
1st number: 7 0/12, 2nd number: 8 0/7
84/12 + 56/7 is 15/1.
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,
84/12 = 84 × 7/12 × 7 = 588/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
56/7 = 56 × 12/7 × 12 = 672/84 - Add the two like fractions:
588/84 + 672/84 = 588 + 672/84 = 1260/84 - 1260/84 simplified gives 15/1
- So, 84/12 + 56/7 = 15/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24+56/7 84/12+56/14 84/36+56/7 84/12+56/21 84/60+56/7 84/12+56/35 84/12+56/49