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Q: In algebra how do you find the missing number in a fraction using the denominator and the percentage?

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Missing....? But the answer to find the missing is normally either "algebra" or "find another equation to use."

To find out what the missing link is.

Equations are something you do to make something equal something else to find the missing variables. Algebra is the operations that you perform to find those missing variables.

You could set up a proportion and cross multiply. Example: 1 Hour X Hours ------- = ------- 60 Min. 120 Min. 1 Hour is equal to the subunit of 60 Minutes. Use the same units in both denominators (bottom of fraction) and the same units in both numerators (top of fraction). Multiply the numerator of the first fraction with the denominator of the second and set it equal to the denominator of the first fraction multiplied by the numerator of the second fraction using a variable for the missing unit (which is probably the answer you're looking for). 120(1) = 60(X) Solve for 'X' to get the number of hours in 120 minutes. 120/60 = 2 The answer is 2 hours.

It is missing some information so, is therefore is an incomplete output.

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You can find a missing denominator if you know something that the fraction is equal to. Then you can find the missing denominator through cross multiplication.

The answer depends on the part of the question that is missing.

That really depends on what information is given.

An equivalent fraction is just a multiple of the one that you have (i.e it is the one that you have, scaled up or down). So multiply the fraction that you have until either the numerator or the denominator match the given numerator/denominator of the fraction with the missing number. The number in the corresponding place on the fraction that you multiplied is the missing number.

Missing....? But the answer to find the missing is normally either "algebra" or "find another equation to use."

To find out what the missing link is.

Equations are something you do to make something equal something else to find the missing variables. Algebra is the operations that you perform to find those missing variables.

The answer depends on what other information you have.

The answer depends on what other information you have.

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For A/B = C/D, B = AD/C

The answer depends on the numbers that ARE available.

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