The horizontal bar in a fraction is called a vinculum or, informally, a "fraction bar".
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∙ 13y agofraction bar
The fraction form is just that - 4/7. You would usually use a horizontal bar to separate the 4 and the 7.
Now why do you suppose we say "over" in that description ? Could it be because the fraction has the '5' written 'over' the '12', with a horizontal bar between them ?
vinculum
900000=CM with horizontal bar above it 90000=XC with horizontal bar above it 9000=MX with horizontal bar above X only 900=CM Therefore: ............_____..._ 999900=CMXCMXCM
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".
In any proper or improper fraction such as 3/4, the fraction bar, when shown as being horizontal, is called the vinculum. When shown as being slanted, it is called a solidus.
The "fraction bar" that we usually call it is actually called the vinculum.
fraction bar
It is a [horizontal] bar chart.It is a [horizontal] bar chart.It is a [horizontal] bar chart.It is a [horizontal] bar chart.
The fraction form is just that - 4/7. You would usually use a horizontal bar to separate the 4 and the 7.
If you are talking about the fraction bar in mathematics, the "fraction bar" is the real name. It is sometimes called a vinculum (although this is a misuse of the word). The fraction bar in amateur radio, also known as the forward slash is officially known as the "fraction bar."
fraction bar
a fraction bar is the horizontal line in a fraction ex: a/b t/r 1/3 2/4 3/5 4/6 5/7 6/8 7/9 8/1 r _ s
Now why do you suppose we say "over" in that description ? Could it be because the fraction has the '5' written 'over' the '12', with a horizontal bar between them ?
Vertical Split Bar
vinculum