Yes.
2x-3 , where x is the number referred to in the question
This is referred to as a "unit fraction".
The expression, 0.261 is referred to as a decimal fraction. To convert it to an ordinary fraction multiply it by the relevant power of 10 to convert it to a number with NO portion AFTER the decimal point, put the relevant power of 10 as the denominator and see if the fraction can be simplified. 0.261 = 0.261 x 1000 / 1000 = 261/1000
When multiplying two rational expressions, simply multiply their numerators together, and their denominators together: (a / b) * (c / d) = (a * c) / (b * d) Dividing one fraction by another is the same as multiplying the first fraction by the reciprocal of the second one: (a / b) / (c / d) = (a / b) * (d / c) = (a * d) / (b * c) This is often referred to as cross multiplication.
They are numbers which are written in the form p/q where p and q are integers.
MUSIC
The binomial theorem describes the algebraic expansion of powers of a binomial, hence it is referred to as binomial expansion.
Parts of a number are often referred to as a fraction of a whole number.
The outward expression of an organism's genotype is referred to as its phenotype. This includes physical traits, behavior, and other characteristics that result from interactions between genetic and environmental factors.
Mice are often referred to with the expression "as timid as a mouse".
It's usually referred to as an "expression."
What is the question ? This is often referred to as an "improper" fraction. It can always be re-written as an integer (whole number) plus a proper fraction (a fraction less than one).