Answers

Add 81/63 and 75/10

1^st number: 1 18/63, 2^nd number: 7 5/10

81/63 + 75/10 is 123/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 10 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 10 × 63 = 630,
   75/10 = 75 × 63/10 × 63 = 4725/630
4. Add the two like fractions:
   810/630 + 4725/630 = 810 + 4725/630 = 5535/630
5. 5535/630 simplified gives 123/14
6. So, 81/63 + 75/10 = 123/14
   In mixed form: 811/14

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