please solve last two questions please!!!!!
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RATIONAL NUNBER BETWEEN 1/2 AND 5/7
(1/2)×14 = 14/28
(5/7)×4 = 20/28
14/28 , 15/28 , 16/29 , 17/28 , 18/28 , 19/28 , 20/28 .
(1/2)×14 = 14/28
(5/7)×4 = 20/28
14/28 , 15/28 , 16/29 , 17/28 , 18/28 , 19/28 , 20/28 .
tanushree88:
no i want 5th rational number between1/2 and 5/7
please tell fastly
ok
so please tell
its righr
I know that its right but i want one more rational number between 1/2 and5/7
5 rational no r Between this so y u nee
ok thanks for that only
ok byy
byy
Answered by
17
A rational number is a number which can be expressed in the form of p/q where p and q are integers .
Example :
is rational .
√5 is irrational .
First solution :
L.C.M of 2 and 7 = 2 × 7 = 14
1/2 can be written as ( 1 × 14 ) / ( 2 × 14 )
⇒ 14/28 .
5/7 can be written as ( 5 × 4 ) / ( 7 × 4 )
⇒ 20/28
20/28 and 14/28 are the range of this two numbers .
Among this range there are 5 rational numbers :
15/28
16/28
17/28
18/28
19/28
Second solution :
- 4/5 can be written as ( - 4 × 6 ) / ( 5 × 6 )
⇒ -24/30
- 2/3 can be written as ( - 2 × 10 )/( 3 × 10 )
⇒ - 20/30
Among this range the 3 rational numbers are :
- 21/30
- 22/30
- 23/30
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