Answers

Add 20/21 and 25/14

1^st number: 20/21, 2^nd number: 1 11/14

20/21 + 25/14 is 115/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 14 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 21 × 2 = 42,
   20/21 = 20 × 2/21 × 2 = 40/42
3. Likewise, for the 2nd fraction, since 14 × 3 = 42,
   25/14 = 25 × 3/14 × 3 = 75/42
4. Add the two like fractions:
   40/42 + 75/42 = 40 + 75/42 = 115/42
5. So, 20/21 + 25/14 = 115/42
   In mixed form: 231/42

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