Answers

Add 63/25 and 70/21

1^st number: 2 13/25, 2^nd number: 3 7/21

63/25 + 70/21 is 439/75.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 21 is 525
   
   Next, find the equivalent fraction of both fractional numbers with denominator 525
2. For the 1st fraction, since 25 × 21 = 525,
   63/25 = 63 × 21/25 × 21 = 1323/525
3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
   70/21 = 70 × 25/21 × 25 = 1750/525
4. Add the two like fractions:
   1323/525 + 1750/525 = 1323 + 1750/525 = 3073/525
5. 3073/525 simplified gives 439/75
6. So, 63/25 + 70/21 = 439/75
   In mixed form: 564/75

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