No, you do not.
100/20 is an integer, not a fraction.
-- Times the two numerators together to get the numerator of the answer. -- Times the two denominators together to get the denominator of the answer.
8 divided by 1/2 = 16 When you divide by a fraction, you must times the numerator of the first fraction by the denominator of the second fraction. In this case, you need to times the 8 by 2 = 16
divide the top number from the bottom, then times by 100.
To divide a fraction by a second fraction, multiply the first fraction by the reciprocal of the second fraction. For example, 1/2 divided by 5/7 is the same as 1/2 times 7/5.
to turn a decimal into a percent you need to times the decimal by 100 and with a fraction you need to divide it so say if your fraction is 48/50 you need to divide 48 by 50 to get 0.96 then you times it by 100 also
Divide 2 by .25 and .25 by 2, add both up together and divide by 100
Add them together and divide by 2.
You add them together and divide by 2.
you flip the last (second) fraction, and then you change the divide sign into a times sign. You can then times the fractions from there. You do not need the same denominator to times fractions.
How a fraction changes when you divide it depends on what you divide it by.
Because that is just how it works mathematically If you divide one vulgar (or common) fraction by a second vulgar fraction, the rule is: Invert the second fraction and then multiply them together. It is too difficult to explain why this works, using typed explanation on the computer, but just accept that it works.