Answers

Add 35/42 and 54/21

1^st number: 35/42, 2^nd number: 2 12/21

35/42 + 54/21 is 143/42.

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,
   35/42 = 35 × 1/42 × 1 = 35/42
3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
   54/21 = 54 × 2/21 × 2 = 108/42
4. Add the two like fractions:
   35/42 + 108/42 = 35 + 108/42 = 143/42
5. So, 35/42 + 54/21 = 143/42
   In mixed form: 317/42

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