Fractions, theory: list of links to the main topics

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


(2) Fractions changing form, expand and reduce (simplify) fractions


(3) Reducing fractions. The greatest common factor, GCF


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


(5) Sorting fractions in ascending order


(6) Adding ordinary (common, simple) fractions


(7) Subtracting ordinary (common, simple) fractions


(8) Multiplying ordinary (common, simple) fractions


(9) Fractions, theory: rational numbers

Fractions operations that can be run automatically, with explanations:

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


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


(3) Online calculator: Compare ordinary (simple) fractions


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


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


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


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