Answers

Add 3/42 and 90/63

1^st number: 3/42, 2^nd number: 1 27/63

3/42 + 90/63 is 3/2.

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,
   3/42 = 3 × 3/42 × 3 = 9/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   90/63 = 90 × 2/63 × 2 = 180/126
4. Add the two like fractions:
   9/126 + 180/126 = 9 + 180/126 = 189/126
5. 189/126 simplified gives 3/2
6. So, 3/42 + 90/63 = 3/2
   In mixed form: 11/2

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