Answers

Add 4/6 and 84/90

4/6 + 84/90 is 8/5.

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,
   4/6 = 4 × 15/6 × 15 = 60/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   84/90 = 84 × 1/90 × 1 = 84/90
4. Add the two like fractions:
   60/90 + 84/90 = 60 + 84/90 = 144/90
5. 144/90 simplified gives 8/5
6. So, 4/6 + 84/90 = 8/5
   In mixed form: 13/5

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