Answers

Add 84/28 and 27/72

1^st number: 3 0/28, 2^nd number: 27/72

84/28 + 27/72 is 27/8.

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,
   84/28 = 84 × 18/28 × 18 = 1512/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   27/72 = 27 × 7/72 × 7 = 189/504
4. Add the two like fractions:
   1512/504 + 189/504 = 1512 + 189/504 = 1701/504
5. 1701/504 simplified gives 27/8
6. So, 84/28 + 27/72 = 27/8
   In mixed form: 33/8

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