Answers

Add 25/75 and 21/12

1^st number: 25/75, 2^nd number: 1 9/12

25/75 + 21/12 is 25/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 12 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 75 × 4 = 300,
   25/75 = 25 × 4/75 × 4 = 100/300
3. Likewise, for the 2nd fraction, since 12 × 25 = 300,
   21/12 = 21 × 25/12 × 25 = 525/300
4. Add the two like fractions:
   100/300 + 525/300 = 100 + 525/300 = 625/300
5. 625/300 simplified gives 25/12
6. So, 25/75 + 21/12 = 25/12
   In mixed form: 21/12

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