23 , 49 , 29

The mean of a set of numbers is the sum divided by the number of terms.

23+49+293

To write 23 as a fraction with a common denominator, multiply by 33.

23⋅33+49+293

Write each expression with a common denominator of 9, by multiplying each by an appropriate factor of 1.

Multiply 23 and 33.

2⋅33⋅3+49+293

Multiply 3 by 3.

2⋅39+49+293

2⋅39+49+293

Combine the numerators over the common denominator.

2⋅3+49+293

Simplify the numerator.

Multiply 2 by 3.

6+49+293

Add 6 and 4.

109+293

109+293

Combine the numerators over the common denominator.

10+293

Add 10 and 2.

1293

Cancel the common factor of 12 and 9.

Factor 3 out of 12.

3(4)93

Cancel the common factors.

Factor 3 out of 9.

3⋅43⋅33

Cancel the common factor.

3⋅43⋅33

Rewrite the expression.

433

433

433

433

Multiply the numerator by the reciprocal of the denominator.

43⋅13

Multiply 43 and 13.

43⋅3

Multiply 3 by 3.

49

49

Divide.

0.4‾

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.

0.4

Find the Mean (Arithmetic) 2/3 , 4/9 , 2/9