Saturday 24 September 2022

Let's learn about ratio?

Let's learn about ratio?

We have looked at the numbers. We have seen the shapes and measurements. Are you thinking what topic we should look at next?

Let's look at the ratio in relation to everyday life?

Don't think this is a new term.

The word can be new. But its contents are well known to us.

When looking at numbers, have we looked at rational numbers? That's the ratio.

We already know that Mathematics are numbers!

In numbers, if we relate the rational numbers to life, that is the ratio.

Rational numbers are fractional numbers. More specifically, fractional numbers can also be called ratios.

What is a fraction?

A fraction is a division sign between two numbers. Or if you put a sign like '/' between two numbers, it is a fraction.

To put it more succinctly, a fraction is the comparison of two numbers by division? That's the ratio too.

That is, ratio is the comparison of two numbers by division. This comparison is used in many ways in everyday life. That's why we're going to look at ratio.

Profit and loss calculations, discount calculations and interest calculations can be made using this way of ratio. That too is very easy. You will be surprised to know that this is what is taught in competitive exam coaching centers as short cut calculations.

Now I hear you saying that you must know about it.

Ok now tell me any fraction and let's see.

¼ you mean?

Very well.

If we write this as 1 : 4 then that is the ratio.

Now look what we have done. We wrote the above and below numbers on the adjacent side. We put a colon ':' in between. Is that all?

I understand you are asking if ¼ should be written as 1 : 4. If you find it difficult or uncomfortable, write 1 : 4 as ¼. That is, bring the ratio into fractional form and do the calculation. No mistake will come.

There is no need to write next to each other with a colon in between. It can be written as a fraction. All properties that apply to a fraction apply to a ratio. All properties that apply to a ratio apply to a fraction. Because both are the same. The shapes are different.

Now we know about ratio and form of ratio? There are two types of this ratio. We'll see about that tomorrow.

*****

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