Answers

Add 36/42 and 80/63

1^st number: 36/42, 2^nd number: 1 17/63

36/42 + 80/63 is 134/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 42 × 3 = 126,
   36/42 = 36 × 3/42 × 3 = 108/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   80/63 = 80 × 2/63 × 2 = 160/126
4. Add the two like fractions:
   108/126 + 160/126 = 108 + 160/126 = 268/126
5. 268/126 simplified gives 134/63
6. So, 36/42 + 80/63 = 134/63
   In mixed form: 28/63

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