# Find the Mean (Arithmetic) -2 3/4 , 5/4

,
Convert to an improper fraction.
A mixed number is an addition of its whole and fractional parts.
To write as a fraction with a common denominator, multiply by .
Combine and .
Combine the numerators over the common denominator.
Simplify the numerator.
Multiply by .
The mean of a set of numbers is the sum divided by the number of terms.
Simplify the numerator.
Combine the numerators over the common denominator.
Reduce the expression by cancelling the common factors.
Cancel the common factor of and .
Factor out of .
Cancel the common factors.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Move the negative in front of the fraction.
Multiply the numerator by the reciprocal of the denominator.
Multiply .
Multiply and .
Multiply by .
Divide.
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.
Find the Mean (Arithmetic) -2 3/4 , 5/4

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