Answers

Add 80/42 and 28/63

1^st number: 1 38/42, 2^nd number: 28/63

80/42 + 28/63 is 148/63.

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,
   80/42 = 80 × 3/42 × 3 = 240/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   28/63 = 28 × 2/63 × 2 = 56/126
4. Add the two like fractions:
   240/126 + 56/126 = 240 + 56/126 = 296/126
5. 296/126 simplified gives 148/63
6. So, 80/42 + 28/63 = 148/63
   In mixed form: 222/63

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