Answers

Add 84/63 and 24/27

1^st number: 1 21/63, 2^nd number: 24/27

84/63 + 24/27 is 20/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 27 is 189
   
   Next, find the equivalent fraction of both fractional numbers with denominator 189
2. For the 1st fraction, since 63 × 3 = 189,
   84/63 = 84 × 3/63 × 3 = 252/189
3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
   24/27 = 24 × 7/27 × 7 = 168/189
4. Add the two like fractions:
   252/189 + 168/189 = 252 + 168/189 = 420/189
5. 420/189 simplified gives 20/9
6. So, 84/63 + 24/27 = 20/9
   In mixed form: 22/9

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