Answers

Add 12/81 and 63/10

1^st number: 12/81, 2^nd number: 6 3/10

12/81 + 63/10 is 1741/270.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 10 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 81 × 10 = 810,
   12/81 = 12 × 10/81 × 10 = 120/810
3. Likewise, for the 2nd fraction, since 10 × 81 = 810,
   63/10 = 63 × 81/10 × 81 = 5103/810
4. Add the two like fractions:
   120/810 + 5103/810 = 120 + 5103/810 = 5223/810
5. 5223/810 simplified gives 1741/270
6. So, 12/81 + 63/10 = 1741/270
   In mixed form: 6121/270

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