Answers

Add 63/21 and 18/75

1^st number: 3 0/21, 2^nd number: 18/75

63/21 + 18/75 is 81/25.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 75 is 525
   
   Next, find the equivalent fraction of both fractional numbers with denominator 525
2. For the 1st fraction, since 21 × 25 = 525,
   63/21 = 63 × 25/21 × 25 = 1575/525
3. Likewise, for the 2nd fraction, since 75 × 7 = 525,
   18/75 = 18 × 7/75 × 7 = 126/525
4. Add the two like fractions:
   1575/525 + 126/525 = 1575 + 126/525 = 1701/525
5. 1701/525 simplified gives 81/25
6. So, 63/21 + 18/75 = 81/25
   In mixed form: 36/25

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