Answers

Add 6/28 and 84/72

1^st number: 6/28, 2^nd number: 1 12/72

6/28 + 84/72 is 29/21.

Steps for adding fractions

1. 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
2. For the 1st fraction, since 28 × 18 = 504,
   6/28 = 6 × 18/28 × 18 = 108/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   84/72 = 84 × 7/72 × 7 = 588/504
4. Add the two like fractions:
   108/504 + 588/504 = 108 + 588/504 = 696/504
5. 696/504 simplified gives 29/21
6. So, 6/28 + 84/72 = 29/21
   In mixed form: 18/21

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