Answers

Add 81/28 and 12/63

1^st number: 2 25/28, 2^nd number: 12/63

81/28 + 12/63 is 37/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 28 × 9 = 252,
   81/28 = 81 × 9/28 × 9 = 729/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   12/63 = 12 × 4/63 × 4 = 48/252
4. Add the two like fractions:
   729/252 + 48/252 = 729 + 48/252 = 777/252
5. 777/252 simplified gives 37/12
6. So, 81/28 + 12/63 = 37/12
   In mixed form: 31/12

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