compound fraction
There is no vertical bar in a fraction. A fraction is written with either a horizontal bar or a slanted bar, which is technically called a "vinculum", but most people call it a "fraction bar".
A proper fraction.
Denominator
You can call them top-heavy.
You call the fraction irrefutably prime.
Scotland, being part of the United Kingdom, uses British pounds (GBP). At the time of writing, $1.00 USD is just a fraction over £0.50 GBP.
A unit fraction.
A unit fraction.
compound fraction
A mixed fraction.
improper fraction
1 in fraction is a whole number.
It is part of a complex fraction.
like fraction
You can reduce a fraction to its simplest form.
It is called the pound sterling (£, or sometimes GBP) the same as for the whole of the UK.