What is the simplified fractional equivalent of the terminating decimal 0.25?

2 Answers
Jan 26, 2018

1/4

Explanation:

0.25 is only 1/4 of 1. A good way to remember this is with quarters. A quarter is worth 25 cents. You need 4 to make a whole dollar. One quarter is only 1/4 of a dollar.

Jan 26, 2018

It is far quicker to just remember that 0.25-=1/4
The -= means equivalent to

Explanation:

Multiply by 1 and you do not change the value. However, 1 comes in many forms.

color(green)(0.25color(red)(xx1) color(white)("ddd") ->color(white)("ddd")0.25color(red)(xx100/100) )

color(green)(color(white)("ddddddddd")->color(white)("ddd")25/100)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We know that 25 will divide exactly into 100 so we can and may do this:

color(green)(color(white)("ddddddddd")->color(white)("ddd")(25-:25)/(100-:25)color(white)("d")=color(white)("d")1/4