Basic Math Examples

Find the Mean 2 5/32 , 2 7/8*2 9/16*2 7/16
,
Step 1
Convert to an improper fraction.
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Step 1.1
A mixed number is an addition of its whole and fractional parts.
Step 1.2
Add and .
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Step 1.2.1
To write as a fraction with a common denominator, multiply by .
Step 1.2.2
Combine and .
Step 1.2.3
Combine the numerators over the common denominator.
Step 1.2.4
Simplify the numerator.
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Step 1.2.4.1
Multiply by .
Step 1.2.4.2
Add and .
Step 2
Convert to an improper fraction.
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Step 2.1
A mixed number is an addition of its whole and fractional parts.
Step 2.2
Add and .
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Step 2.2.1
To write as a fraction with a common denominator, multiply by .
Step 2.2.2
Combine and .
Step 2.2.3
Combine the numerators over the common denominator.
Step 2.2.4
Simplify the numerator.
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Step 2.2.4.1
Multiply by .
Step 2.2.4.2
Add and .
Step 3
Convert to an improper fraction.
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Step 3.1
A mixed number is an addition of its whole and fractional parts.
Step 3.2
Add and .
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Step 3.2.1
To write as a fraction with a common denominator, multiply by .
Step 3.2.2
Combine and .
Step 3.2.3
Combine the numerators over the common denominator.
Step 3.2.4
Simplify the numerator.
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Step 3.2.4.1
Multiply by .
Step 3.2.4.2
Add and .
Step 4
Convert to an improper fraction.
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Step 4.1
A mixed number is an addition of its whole and fractional parts.
Step 4.2
Add and .
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Step 4.2.1
To write as a fraction with a common denominator, multiply by .
Step 4.2.2
Combine and .
Step 4.2.3
Combine the numerators over the common denominator.
Step 4.2.4
Simplify the numerator.
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Step 4.2.4.1
Multiply by .
Step 4.2.4.2
Add and .
Step 5
Multiply .
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Step 5.1
Multiply by .
Step 5.2
Multiply by .
Step 5.3
Multiply by .
Step 6
Multiply .
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Step 6.1
Multiply by .
Step 6.2
Multiply by .
Step 6.3
Multiply by .
Step 7
The mean of a set of numbers is the sum divided by the number of terms.
Step 8
Simplify the numerator.
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Step 8.1
To write as a fraction with a common denominator, multiply by .
Step 8.2
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
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Step 8.2.1
Multiply by .
Step 8.2.2
Multiply by .
Step 8.3
Combine the numerators over the common denominator.
Step 8.4
Simplify the numerator.
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Step 8.4.1
Multiply by .
Step 8.4.2
Add and .
Step 9
Multiply the numerator by the reciprocal of the denominator.
Step 10
Multiply .
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Step 10.1
Multiply by .
Step 10.2
Multiply by .
Step 11
Divide.
Step 12
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.