However, rational numbers can be expressed as fractions, decimals, or percentages. It’s not at all obvious why 1/2, .5, and 50% all refer to the same quantity.

An animated journey into the world of rational numbers! A fraction thief disrupts a number town, leading to a fun exploration of fractions, natural numbers, and mathematical concepts.

Real numbers are, in fact, pretty much any number that you can think of. This can include whole numbers or integers, fractions, rational numbers and irrational numbers.

Numbers beyond Fractions We now learn in school that some values—the so-called irrational numbers—cannot be expressed as the ratio of two integers. But this realization is far from obvious.

“It’s a beautiful piece of work.” The Ether of Arithmetic Rational numbers are the easy numbers. They include the counting numbers and all other numbers that can be written as fractions. This ...

However, rational numbers can be expressed as fractions, decimals, or percentages. It’s not at all obvious why 1/2, .5, and 50% all refer to the same quantity.