You can combine variables in many ways with normal numbers, or with other variables, for example, x/3, 1/x, x/y, (1+x)/y, etc.
An algebraic expression is a type of expression that contains a variable or variables.
equations
10000000000000000
There can be variables in fractions, such as in 2*x/3
There is no such fraction since there is not a linear relationship between the two variables.
1/17 contains each of the ten digits.
It is a ratio.
It is a ratio.
They are known as ratios.
They are ratios.
It is a ratio.
Expression