Solve Fraction Multiplication: 1/4 × 4/5 Step-by-Step

That's addition of fractions, not multiplication! For multiplication, you multiply straight across: numerator × numerator and denominator × denominator.

Always check if the numerator and denominator have common factors. In $\frac{4}{20}$, both 4 and 20 are divisible by 4, so you can simplify to $\frac{1}{5}$.

Yes! This is called cross-canceling. Notice that the 4 in the numerator and denominator can cancel: $\frac{1}{\cancel{4}} \times \frac{\cancel{4}}{5} = \frac{1}{5}$

Convert the whole number to a fraction first! For example, 3 becomes $\frac{3}{1}$, then multiply normally.

Convert both fractions to decimals: $\frac{4}{20} = 0.2$ and $\frac{1}{5} = 0.2$. If they're equal, your simplification is correct!