Answer:
Exact form : 797/12
Decimal form : 66.416 (Place a line over the six in .416 to show that the six is repeating itself. It will look like this...66.41666666...)
Mixed Number form : 66 5/12
Step-by-step explanation: Convert the mixed numbers to improper fractions, then find the LCD (Least Common Denominator) and combine.
Hope this helps you out! ☺