Answers

Add 72/63 and 3/4

1^st number: 1 9/63, 2^nd number: 3/4

72/63 + 3/4 is 53/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 4 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   72/63 = 72 × 4/63 × 4 = 288/252
3. Likewise, for the 2nd fraction, since 4 × 63 = 252,
   3/4 = 3 × 63/4 × 63 = 189/252
4. Add the two like fractions:
   288/252 + 189/252 = 288 + 189/252 = 477/252
5. 477/252 simplified gives 53/28
6. So, 72/63 + 3/4 = 53/28
   In mixed form: 125/28

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