Answers

Add 36/28 and 21/72

1^st number: 1 8/28, 2^nd number: 21/72

36/28 + 21/72 is 265/168.

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,
   36/28 = 36 × 18/28 × 18 = 648/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   21/72 = 21 × 7/72 × 7 = 147/504
4. Add the two like fractions:
   648/504 + 147/504 = 648 + 147/504 = 795/504
5. 795/504 simplified gives 265/168
6. So, 36/28 + 21/72 = 265/168
   In mixed form: 197/168

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