Add 56/28 and 84/72
1st number: 2 0/28, 2nd number: 1 12/72
56/28 + 84/72 is 19/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
56/28 = 56 × 18/28 × 18 = 1008/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
84/72 = 84 × 7/72 × 7 = 588/504 - Add the two like fractions:
1008/504 + 588/504 = 1008 + 588/504 = 1596/504 - 1596/504 simplified gives 19/6
- So, 56/28 + 84/72 = 19/6
In mixed form: 31/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84+84/72