Question

4/10 in lowest terms.

Answer 1

4/10

We can break it up into its factors

4 = 2 x 2
10 = 2 x 5

So then:

$\sf{ \frac{4}{10} = \frac{2\times2}{2\times5}}$

And if we remove the 2 from the numerator and denominator we are left with your answer which is:

$\boxed{\bf{\frac{2}{5}}}$