Answers

Add 81/63 and 35/30

1^st number: 1 18/63, 2^nd number: 1 5/30

81/63 + 35/30 is 103/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 30 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   81/63 = 81 × 10/63 × 10 = 810/630
3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
   35/30 = 35 × 21/30 × 21 = 735/630
4. Add the two like fractions:
   810/630 + 735/630 = 810 + 735/630 = 1545/630
5. 1545/630 simplified gives 103/42
6. So, 81/63 + 35/30 = 103/42
   In mixed form: 219/42

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