A whole number to an improper fraction:
First lets define an improper fraction. An improper fraction is a fraction at which the numerator (top) is greater than the denominator (bottom).
To change a whole number to an improper fraction you simply add a one to the bottom of your whole number. For example, 5 would be 5/1 in improper fraction form. 6 would be 6/1 an so forth.
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Mixed numbers usually become improper fractions, not whole numbers.
You do the denomenator (bottom number) and multilpy by the whole number (the stand alone number) and then once you find that answer add that to the numerator (top number), now you should have a whole number. Take that number and put it in the numerator (top number) and then use your denomenator (bottom number) from your original problem and use it as the denomenator for your final answer. You should now have and improper fracion with a bigger number on the top and a smaller number on the bottom.Example:2 1/2 = 5/2* you do 2X2=4 and then 4+1=5 and then take that and put it as the numerator 5/? and then take the original denomenator and add it back in to make it 5/2
To divide a whole number by a mixed number, you must first make the mixed number an improper fraction. You can do this by multiplying the denominator (the bottom number) by the whole number and adding the numerator (the top number) to the product. Once you have done this, take the reciprocal of the improper fraction (simply switch the two numbers around) and multiply it the whole number. Multiply everything out, make it a mixed number, and you're done. (Note: You may have to make the whole number a fraction to multiply it properly. To do this, simply place the whole number in the numerator and make the denominator 1.)
To convert an improper fraction to a mixed number, divide the denominator into the numerator. The answer is the whole number. Put any remainder over the original denominator to create the fraction part.
multipy the whole number by the denometer, then add that number to your numerator. now that is your numerator and your denomater stays the same.