First piece of pie = 15/18
Second piece of pie = 13/6.
We need to find the total value.
In order to find the total value, we need to add both fractions.
Total value = First piece of pie + Second piece of pie.
=15/18 + 13/6.
In order to add those fractions, we need to find the common denominators.
We have denominators 18 and 6.
Common denominator of 18 and 6 is 18.
So, we need to multiply second fraction 13/6 by 3 in top and bottom to make the denominator of second fraction equals 18.
Therefore, 15/18 + 13/6 = 15/18 + 13*3/6*3
=15/18 +39/18.
=(15+39)/18.
=54/18.
Therefore, Fiona had 54/18 in total.
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