Answers

Add 81/45 and 6/90

1^st number: 1 36/45, 2^nd number: 6/90

81/45 + 6/90 is 28/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 45 × 2 = 90,
   81/45 = 81 × 2/45 × 2 = 162/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   6/90 = 6 × 1/90 × 1 = 6/90
4. Add the two like fractions:
   162/90 + 6/90 = 162 + 6/90 = 168/90
5. 168/90 simplified gives 28/15
6. So, 81/45 + 6/90 = 28/15
   In mixed form: 113/15

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