Expressed as a top-heavy fraction, 4/5-1 = 5/4
5.45
five ninths
11¼. Division by a fraction is mathematically equivalent to multiplication by its reciprocal.9 divided by four fifths in simplest form is 45 over 4
five/sevenths.
5/8
5/4
ten
four fifths.
6/5=5/6
9/5 or nine fifths
There are two fifths in four tenths.
Twenty four fifths is four and four fifths. So if you take three away, that leaves one and four fifths.