Answers

Add 25/50 and 40/21

1^st number: 25/50, 2^nd number: 1 19/21

25/50 + 40/21 is 101/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 21 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 50 × 21 = 1050,
   25/50 = 25 × 21/50 × 21 = 525/1050
3. Likewise, for the 2nd fraction, since 21 × 50 = 1050,
   40/21 = 40 × 50/21 × 50 = 2000/1050
4. Add the two like fractions:
   525/1050 + 2000/1050 = 525 + 2000/1050 = 2525/1050
5. 2525/1050 simplified gives 101/42
6. So, 25/50 + 40/21 = 101/42
   In mixed form: 217/42

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