# Find the Mean (Arithmetic) 3 2/15+8/15

3215+815
Convert 3215 to an improper fraction.
A mixed number is an addition of its whole and fractional parts.
3+215+815
To write 3 as a fraction with a common denominator, multiply by 1515.
3⋅1515+215+815
Combine 3 and 1515.
3⋅1515+215+815
Combine the numerators over the common denominator.
3⋅15+215+815
Simplify the numerator.
Multiply 3 by 15.
45+215+815
4715+815
4715+815
4715+815
4715+815
Combine the numerators over the common denominator.
47+815
5515
Cancel the common factor of 55 and 15.
Factor 5 out of 55.
5(11)15
Cancel the common factors.
Factor 5 out of 15.
5⋅115⋅3
Cancel the common factor.
5⋅115⋅3
Rewrite the expression.
113
113
113
The mean of a set of numbers is the sum divided by the number of terms.
1131
Divide 113 by 1.
113
Divide.
3.6‾
The mean should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.
3.7
Find the Mean (Arithmetic) 3 2/15+8/15

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