Answers

Add 75/21 and 1/42

1^st number: 3 12/21, 2^nd number: 1/42

75/21 + 1/42 is 151/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 42 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 21 × 2 = 42,
   75/21 = 75 × 2/21 × 2 = 150/42
3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
   1/42 = 1 × 1/42 × 1 = 1/42
4. Add the two like fractions:
   150/42 + 1/42 = 150 + 1/42 = 151/42
5. So, 75/21 + 1/42 = 151/42
   In mixed form: 325/42

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