A fraction is part of a whole and is shown by writing one whole number above another. The top number is called the numerator and the bottom number is the denominator. Fractions are equivalent if they ...

\(\frac{{{a^2}b}}{{a{b^2}}} = \frac{{a \times a \times b}}{{a \times b \times b}}\) Since a and b are both factors, cancel this fraction by dividing by both a and b ...