Answers

Add 81/63 and 27/30

1^st number: 1 18/63, 2^nd number: 27/30

81/63 + 27/30 is 153/70.

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,
   27/30 = 27 × 21/30 × 21 = 567/630
4. Add the two like fractions:
   810/630 + 567/630 = 810 + 567/630 = 1377/630
5. 1377/630 simplified gives 153/70
6. So, 81/63 + 27/30 = 153/70
   In mixed form: 213/70

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