Question

how to multiply and divide decimal no.

Answer 1

hi friends

here is your answer looking for

let first know how to do decimal multiplication :-

If the decimal number is given and simple number is given then you do it easily like write the decimal number and write simple number and then multiply it and when the answer will come let see the question decimal number that how many number is after the point and then you will put point from seeing the question decimal number .
let's see the example also :-

1.32
× 4

= 5. 2 8 answer

let's see how to do multiplication if both the number is decimal number .

it is not so hard you can do it easily also let first multiply the both decimal number and then the answer will come so it is time to put decimal point . see the both decimal number of the question that how numbers have after the decimal point if first decimal number have 3 numbers after the decimal point and second number have two numbers after the decimal point then add the both number 3 and 2 is equal to 5 so take the pointed out before the 5 numbers in your answer . if the number have not 5 numbers then put 0 after the decimal point .

let's see the example

1.23
×4.5

= 5575 = . 5575

let's see how to do decimal division
it is easy to divide with decimal let see
i will give you a example: -

24.5 ÷ 5

5 ) 24.5 (0 4.9 answer
- 0
2 4
- 20
0 4 5
-45
00

if both the is decimal number
example :-

$\frac{5.5}{5.5} \times \frac{10}{10} = \frac{55}{55} \\ \\ = 1$


hope you will satisfied with my answer .