Fractions, theory: rational numbers

Fractions and rational numbers Q

The connection between fractions and rational numbers Q

A rational number has no predecessor and no unique successor.

More on ordinary (common) fractions / theory:

(1) What is a fraction? Fractions types. How do they compare?

(2) Changing the form of fractions, by expanding or reducing (simplifying)

(3) How to reduce fractions (simplifying). The greatest common factor, GCF

(4) How to compare two fractions with unlike (different) numerators and denominators

(5) How to sort out fractions in ascending order

(6) Adding common (ordinary) fractions

(7) Subtracting common (ordinary) fractions

(8) Multiplying common (ordinary) fractions

(9) Fractions as rational numbers

Fractions operations that can be run automatically, with explanations:

(1) Online calculator: Reduce (simplify) common ordinary (simple) fractions

(2) Online calculator: Turn integer and decimal numbers into fractions and percentages

(3) Online calculator: Compare and sort common ordinary fractions

(4) Online calculator: Sort common ordinary fractions in ascending order

(5) Online calculator: Add common (ordinary, simple) fractions

(6) Online calculator: Subtract common (ordinary, simple) fractions

(7) Online calculator: Multiply common ordinary (simple) fractions

Mathematical operations with fractions, plus the theory behind: addition, subtraction, multiplication, division, fractions reducing (simplifying), comparing, sorting in ascending order, converting numbers to fractions and percentages.