Answers

Add 32/21 and 45/25

1^st number: 1 11/21, 2^nd number: 1 20/25

32/21 + 45/25 is 349/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 25 is 525
   
   Next, find the equivalent fraction of both fractional numbers with denominator 525
2. For the 1st fraction, since 21 × 25 = 525,
   32/21 = 32 × 25/21 × 25 = 800/525
3. Likewise, for the 2nd fraction, since 25 × 21 = 525,
   45/25 = 45 × 21/25 × 21 = 945/525
4. Add the two like fractions:
   800/525 + 945/525 = 800 + 945/525 = 1745/525
5. 1745/525 simplified gives 349/105
6. So, 32/21 + 45/25 = 349/105
   In mixed form: 334/105

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