The fraction of the year the Christian celebration of Easter occurred on Sunday, 16 April in 2017 is 0.3.
Total days in a year = 365 days
January = 31 days
February = 28 days
March = 31 days
April = 16 days(Easter day)
Total days to Easter = January + February + March + April
= 31 + 28 + 31 + 16
= 106 days
Fraction of the year the Christian celebration of Easter occurred = Total days to Easter / Total days in a year
= 106 / 365
= 0.2904109589041
Therefore, the fraction of the year celebration of Easter occurred on Sunday, 16 April in 2017 is 0.3.
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