Question

find a rational number between-2/5 and 1/2​

Answer 1

Step-by-step explanation:

answer for the given question

Answer 2

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TO FIND :-

Rational number between -2/5 and 1/2

According to question :-

There are the process , they are

$\large\red{\underline{{\boxed{\text{solution \: with \: first process}}}}}$

$- 2\5 \: \times 2\2 \: and \: \: \: 1\2 \times 5\5 \\ = - 4\10 \: and \: 5\10$

Now take the number from the between.

$\large\red{\underline{{\boxed{\text{2nd \: process}}}}}$

a=-2/5 ,b= 1/2

c = a+ b / 2

c = -2/5 +1/2 /2

c= -4 +5 /10 /2

c= 1 /10 × 1/2

c= 1/20.

$\large\red{\underline{{\boxed{\text{3rd \: process}}}}}$

X= -2/5 , Y = 1/2 , n = 1

D = y-x /n+1

d= 1/2 -(-2/5) /1+1

d= 5+4 /10 /2

d= 9/20

rational number = x +d

= -2/5 + 9/20

=-8 + 9 /20

= 1 / 20

Thankyou

hope it help you