Answers

Add 63/21 and 54/5

1^st number: 3 0/21, 2^nd number: 10 4/5

63/21 + 54/5 is 69/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 5 is 105
   
   Next, find the equivalent fraction of both fractional numbers with denominator 105
2. For the 1st fraction, since 21 × 5 = 105,
   63/21 = 63 × 5/21 × 5 = 315/105
3. Likewise, for the 2nd fraction, since 5 × 21 = 105,
   54/5 = 54 × 21/5 × 21 = 1134/105
4. Add the two like fractions:
   315/105 + 1134/105 = 315 + 1134/105 = 1449/105
5. 1449/105 simplified gives 69/5
6. So, 63/21 + 54/5 = 69/5
   In mixed form: 134/5

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