Answers

Add 12/63 and 90/81

1^st number: 12/63, 2^nd number: 1 9/81

12/63 + 90/81 is 82/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 81 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 63 × 9 = 567,
   12/63 = 12 × 9/63 × 9 = 108/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   90/81 = 90 × 7/81 × 7 = 630/567
4. Add the two like fractions:
   108/567 + 630/567 = 108 + 630/567 = 738/567
5. 738/567 simplified gives 82/63
6. So, 12/63 + 90/81 = 82/63
   In mixed form: 119/63

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