Answers

Add 81/63 and 18/10

1^st number: 1 18/63, 2^nd number: 1 8/10

81/63 + 18/10 is 108/35.

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,
   18/10 = 18 × 63/10 × 63 = 1134/630
4. Add the two like fractions:
   810/630 + 1134/630 = 810 + 1134/630 = 1944/630
5. 1944/630 simplified gives 108/35
6. So, 81/63 + 18/10 = 108/35
   In mixed form: 33/35

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