Answers

Add 72/28 and 21/36

1^st number: 2 16/28, 2^nd number: 21/36

72/28 + 21/36 is 265/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 36 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 28 × 9 = 252,
   72/28 = 72 × 9/28 × 9 = 648/252
3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
   21/36 = 21 × 7/36 × 7 = 147/252
4. Add the two like fractions:
   648/252 + 147/252 = 648 + 147/252 = 795/252
5. 795/252 simplified gives 265/84
6. So, 72/28 + 21/36 = 265/84
   In mixed form: 313/84

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