four fifths must be added to make it whole
Two fifths, this is because 5 fifths is the whole and if you already have 3 fifths you just need 2 more to make 5.
2/5+3/5 = 1
Well, two whole are 10 fifths, and add them to the 3 you allready have, you get 13 fifths.
5/5 is a whole, therefore is you have 3/5 you need another 2/5 to make it 5/5.
One-fifth and four-fifths makes a whole.
You can make any whole number into a fraction by putting it over 1.
1/4 of a pizza.
6 is a whole number. you can't make a whole number into fraction
you have to make the whole number into a fraction with the same denominator.
A fraction is generally not a whole number, so you can't "make it into a whole" - any whole number would not have the same value. You can round a fraction to the nearest integer, if you like - but note that you would lose some precision if you do so.
By making it into a fraction. For instance: If you wanted to make 3 into a mixed number, you can do 2 and 5-fifths
A fraction can't become a whole number, unless the numerator is a multiple of the denominator.
7/10 must be added to 3/10 to make 1 whole.
Five-ninths must be added to four-ninths to make a whole.
to make a whole number into a fraction all you have to do is make it whatever the whole number is over one ex: 2 is your whole number, to make it a fraction simply put it over one. when you say it, you can say 2 over 1, 2 firsts, or 2 divided by 1. 2 divided by one does equal 2, your starting whole number.
5 times 1/5 = 1
3.5 is a rational fraction and there is no sensible way to make it into a whole number.
7/10 must be added to 3/10 to make a whole number, 1.
There isn't one. You can only make an improper fraction from a mixed fraction, which a whole number with a fraction on its side
What must be added to 3 tenths to make 1 whole
5, hence the term "one fifth"