Answers

Add 12/10 and 81/45

1^st number: 1 2/10, 2^nd number: 1 36/45

12/10 + 81/45 is 3/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 45 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 10 × 9 = 90,
   12/10 = 12 × 9/10 × 9 = 108/90
3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
   81/45 = 81 × 2/45 × 2 = 162/90
4. Add the two like fractions:
   108/90 + 162/90 = 108 + 162/90 = 270/90
5. 270/90 simplified gives 3/1
6. So, 12/10 + 81/45 = 3/1

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