Steply

Calculate 8 : 20

Step by step, with the reason for every step · Ratios, unit rates, compare deals · Foundations

Step by step

The question

Question: simplify the ratio 8 to 20.

Simplify means: smaller numbers, the same ratio.

8 : 20

1 Divide every part

8 and 20 can both be divided by 4.

We divide every part by 4.

The ratio stays the same.

= 8 ÷ 4 : 20 ÷ 4

8 divided by 4 is 2.

20 divided by 4 is 5.

= 2 : 5

Nothing else divides all of them.

So the simplest ratio is 2 to 5.

Answer
= 2 : 5

Your turn

Try this one yourself, then check:

Simplify the ratio 3 : 24
Show the answer
1 : 8

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