Answers

Add 28/4 and 63/72

1^st number: 7 0/4, 2^nd number: 63/72

28/4 + 63/72 is 63/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 4 × 18 = 72,
   28/4 = 28 × 18/4 × 18 = 504/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   63/72 = 63 × 1/72 × 1 = 63/72
4. Add the two like fractions:
   504/72 + 63/72 = 504 + 63/72 = 567/72
5. 567/72 simplified gives 63/8
6. So, 28/4 + 63/72 = 63/8
   In mixed form: 77/8

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