Answers

Add 81/3 and 42/63

1^st number: 27 0/3, 2^nd number: 42/63

81/3 + 42/63 is 83/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 63 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 3 × 21 = 63,
   81/3 = 81 × 21/3 × 21 = 1701/63
3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
   42/63 = 42 × 1/63 × 1 = 42/63
4. Add the two like fractions:
   1701/63 + 42/63 = 1701 + 42/63 = 1743/63
5. 1743/63 simplified gives 83/3
6. So, 81/3 + 42/63 = 83/3
   In mixed form: 272/3

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