Answers

Add 45/42 and 80/21

1^st number: 1 3/42, 2^nd number: 3 17/21

45/42 + 80/21 is 205/42.

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,
   45/42 = 45 × 1/42 × 1 = 45/42
3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
   80/21 = 80 × 2/21 × 2 = 160/42
4. Add the two like fractions:
   45/42 + 160/42 = 45 + 160/42 = 205/42
5. So, 45/42 + 80/21 = 205/42
   In mixed form: 437/42

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