Answers

Add 24/42 and 42/21

1^st number: 24/42, 2^nd number: 2 0/21

24/42 + 42/21 is 18/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 21 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 42 × 1 = 42,
   24/42 = 24 × 1/42 × 1 = 24/42
3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
   42/21 = 42 × 2/21 × 2 = 84/42
4. Add the two like fractions:
   24/42 + 84/42 = 24 + 84/42 = 108/42
5. 108/42 simplified gives 18/7
6. So, 24/42 + 42/21 = 18/7
   In mixed form: 24/7

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