Answers

Add 21/2 and 54/75

1^st number: 10 1/2, 2^nd number: 54/75

21/2 + 54/75 is 561/50.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 75 is 150
   
   Next, find the equivalent fraction of both fractional numbers with denominator 150
2. For the 1st fraction, since 2 × 75 = 150,
   21/2 = 21 × 75/2 × 75 = 1575/150
3. Likewise, for the 2nd fraction, since 75 × 2 = 150,
   54/75 = 54 × 2/75 × 2 = 108/150
4. Add the two like fractions:
   1575/150 + 108/150 = 1575 + 108/150 = 1683/150
5. 1683/150 simplified gives 561/50
6. So, 21/2 + 54/75 = 561/50
   In mixed form: 1111/50

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