Answers

Add 20/6 and 81/90

1^st number: 3 2/6, 2^nd number: 81/90

20/6 + 81/90 is 127/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 6 × 15 = 90,
   20/6 = 20 × 15/6 × 15 = 300/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   81/90 = 81 × 1/90 × 1 = 81/90
4. Add the two like fractions:
   300/90 + 81/90 = 300 + 81/90 = 381/90
5. 381/90 simplified gives 127/30
6. So, 20/6 + 81/90 = 127/30
   In mixed form: 47/30

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