Fundamental property of fractions: if you multiply or divide the numerator and denominator by the same natural number, the value of the fraction does not change. ab=a⋅kb⋅k\frac{a}{b}=\frac{a\cdot k}{b\cdot k}, b≠0b\neq0.
Multiply or divide numerator and denominator together
You get equal (equivalent) fractions
This underpins reducing and common denominators
Worked examples
Full content is available with a subscription.
Get full access to all courses on the platform for one year with a single payment.
Unlike other platforms that charge per course, here you get everything for one price, and after one year of use there will be no automatic charge for the following year.