The numerator is whats being subtracted or added when you are subtracting or adding a fraction
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Must quantities have different units before they can be added or subtracted?
no
Why can quantities with different units never be added or subtracted bwhy can quantities with different units never be added or subtracted but can be multiplied or diviut can be multiplied or divided?
Only like terms can be added or subtracted. 10m and 1s cannot be added; but divided, 10 m/s becomes a velocity.
Why can quantities with different units never be added or subtracted but can be multiplied or divided?
Because thats how y convert
What is 1.2 subtracted by 200 ml?
-198.8
What is the part of a fraction that tells how many units the fraction contains?
It is the denominator
What happens to the size of the fractional units when you rename the fraction?
Nothing happens to the fraction.
A fraction in which the numerator and denominator represent the same amount but are in different units?
What is a fraction in which the numerator and denominator represent the same amount but are in different units?
7.7 into a fraction?
7 units and 7 tenths.
What fraction of 1km if 50?
The answer depends on the units for 50.
What is fraction with different units in the numerator and denominator?
It is a ratio.
What fraction is 4 lbs?
The fraction is4/(the weight of the whole thing, in pounds) . The fraction is a naked number, without units.
What is a fraction that compares two quantities measured in different units?
A rate is a fraction that compares two quantities measured in different units. If the denominator of the fraction is 1 unit, the rate is called a unit rate.
What of a fraction is the part that tells how many units the fraction contains?
It is the numerator in the non-simplified version of the fraction. When simplified, that information is lost.
What is the fraction length of 10?
10/1 units, presumably.
What fraction of 1is 40c?
The answer depends on the units used for the 1, and what units c refers to.
What part of a fraction tells how many units the fraction contains?
The denominator (the figure below the horizontal line)
Why is a fraction more accurate?
A fraction may be more or less accurate: it depends on the context.If measuring the length of a pencil, say, 0.2 metres (a fraction) is less accurate than 18 centimetres (an integer). So it depends on the units of measurements being used.
What is the fraction 256 if two inches is added on?
It is not possible to answer the question because there is no information about the units used for the integer value: 256. It should be obvious to anybody that the fraction for 256 millimetres + 2 inches will be quite different to 256 cm + 2 inches.
Explain why fractions need a common denominator to be added or subtracted?
The reason why is that a fraction is a different numbering system than whole numbers. The "whole number" system is based on units of 100. But a fraction is only a part of a whole number, so in order to add or subtract you must make both fractions the same type of unit just like whole numbers. You cannot add 1/6 and 2/24 unless you have the same units...which in this case is 24. So, multiplying the six by 4 will give you 4/24, and now you can add the numerators together because they are in the same "family".
What fraction of 1KG is 720 G?
It is 720/1000. The fraction can be simplified but then loses its context in terms of the units of mass.
How do you get a rate as a fraction?
Simplify the fraction to its simplest form.If this is 1/y then the unit rate is "1 unit per y units".If it is x/1 then the unit rate is "x units per unit".If it is x/y then the units rate is "(x/y) units per unit".
What does denominator of the fraction tell you?
it is how many units their are in all, the whole number
What happend to the total number of units in the whole when you composed the fraction?
y
What is the fraction for 8 units and 5 tenths?
It is 8 5/10.
What is the volume of 3x10.5x1.5 as a fraction?
It is 47 1/4 cubic units.
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