Answers

Add 63/28 and 12/72

1^st number: 2 7/28, 2^nd number: 12/72

63/28 + 12/72 is 29/12.

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,
   63/28 = 63 × 18/28 × 18 = 1134/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   12/72 = 12 × 7/72 × 7 = 84/504
4. Add the two like fractions:
   1134/504 + 84/504 = 1134 + 84/504 = 1218/504
5. 1218/504 simplified gives 29/12
6. So, 63/28 + 12/72 = 29/12
   In mixed form: 25/12

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