Simplification of Fractions (Grade 10 NSC Matric Mathematics): Flashcards

$\frac{a}{b} \times \frac{c}{d} = \frac{ac}{bd}$

Multiplying by its reciprocal

Fractions with algebraic expressions in numerator/denominator

Denominator equals zero

Factorise numerator and denominator completely

Cancel them

Lowest common denominator

$\frac{a}{b} \div \frac{c}{d} = \frac{a}{b} \times \frac{d}{c}$

Terms that are added or subtracted

$\frac{a}{b} + \frac{c}{b} = \frac{a+c}{b}$