Question

Introduction to Decimal Fraction. ( please give answer of at least one page otherwise your answer is of no use..) ​

Answer 1

Answer:

The fractions whose denominator (bottom number) is 10 or higher powers of 10, i.e., 100, 1000, 10,000 etc., are called decimal fractions.

For example; 7/10, 7/100, 7/1000, etc, are all decimal fractions

Note: We can also write decimal fractions with a decimal point (without a denominator), that makes easier to solve math calculations like addition and multiplication on fractions.

For example in details we can write decimal fraction;

9/10 is a decimal fraction and it can also be written as 0.9

23/100 is a decimal fraction and it can also be written as 0.23

31/1000 is a decimal fraction and it can also be written as 0.031

Answer 2

Answer:

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Introduction: What are Decimals in Maths?

A decimal is defined as a number expressed in decimal notation and generally applied to values that have a fractional part and separated from the integer side by a decimal separator.

Now let’s see an example

Here is the number “thirty-four and seven-tenths” written as a decimal number:

The decimal point goes between Ones and Tenths

34.7 has 3 Tens, 4 Ones and 7 Tenths

Place Value in decimals

The place value system is used to define the position of a digit in a number which helps to determine its value. When we write specific numbers, the position of each digit is important.

Example:

For instance, let’s consider the number 456.

The position of “6” is in One’s place, which means 6 ones (i.e. 6).

The position of “5” is in the Ten’s place, which means 5 tens (i.e. fifty).

The position of “4” is in the Hundred’s place, which means 4 hundred.

As we go left, each position becomes ten times greater.

Hence, we read it as “Four hundred fifty-six”.

As we move left, each position is 10 times bigger!

Tens are 10 times bigger than Ones.

Hundreds are 10 times bigger than Tens.

And

Each time we move right every position becomes 10 times smaller from Hundred’s to Ten’s, to Ones

But if we continue past Ones?

What are 10 times smaller than Ones?

110ths (Tenths) are!

Before that, we should first put a decimal point,

So we already know that where we put that decimal point.

We say the above example as four hundred and fifty-six and eight-tenths but we usually just say four hundred and fifty-six point eight.

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