Answers

Add 84/2 and 90/63

1^st number: 42 0/2, 2^nd number: 1 27/63

84/2 + 90/63 is 304/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 2 × 63 = 126,
   84/2 = 84 × 63/2 × 63 = 5292/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   90/63 = 90 × 2/63 × 2 = 180/126
4. Add the two like fractions:
   5292/126 + 180/126 = 5292 + 180/126 = 5472/126
5. 5472/126 simplified gives 304/7
6. So, 84/2 + 90/63 = 304/7
   In mixed form: 433/7

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