14 1325+1013

A mixed number is an addition of its whole and fractional parts.

14,1325+10+13

Add 10 and 13.

To write 10 as a fraction with a common denominator, multiply by 33.

14,1325+10⋅33+13

Combine 10 and 33.

14,1325+10⋅33+13

Combine the numerators over the common denominator.

14,1325+10⋅3+13

Simplify the numerator.

Multiply 10 by 3.

14,1325+30+13

Add 30 and 1.

14,1325+313

14,1325+313

14,1325+313

14,1325+313

To write 1325 as a fraction with a common denominator, multiply by 33.

14,1325⋅33+313

To write 313 as a fraction with a common denominator, multiply by 2525.

14,1325⋅33+313⋅2525

Multiply 1325 and 33.

14,13⋅325⋅3+313⋅2525

Multiply 25 by 3.

14,13⋅375+313⋅2525

Multiply 313 and 2525.

14,13⋅375+31⋅253⋅25

Multiply 3 by 25.

14,13⋅375+31⋅2575

14,13⋅375+31⋅2575

Combine the numerators over the common denominator.

14,13⋅3+31⋅2575

Multiply 13 by 3.

14,39+31⋅2575

Multiply 31 by 25.

14,39+77575

Add 39 and 775.

14,81475

14,81475

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

14+814752

Factor 2 out of 14.

2⋅7+814752

Factor 2 out of 81475.

2⋅7+2(40775)2

Factor 2 out of 2⋅7+2(40775).

2⋅(7+40775)2

Cancel the common factors.

Factor 2 out of 2.

2⋅(7+40775)2(1)

Cancel the common factor.

2⋅(7+40775)2⋅1

Rewrite the expression.

7+407751

Divide 7+40775 by 1.

7+40775

7+40775

7+40775

To write 7 as a fraction with a common denominator, multiply by 7575.

7⋅7575+40775

Combine 7 and 7575.

7⋅7575+40775

Combine the numerators over the common denominator.

7⋅75+40775

Multiply 7 by 75.

525+40775

Add 525 and 407.

93275

93275

Divide.

12.426‾

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.

12.4

Find the Mean (Arithmetic) 14 13/25+10 1/3