1.

The denominator of a rational no. is 4 more than the numerator. If the numerator and the denominator are increased by 1 each the rational no. become 1/2. Find the number.​

Answer»

let numerator be= X

and DENOMINATOR be=x+4

According to the question÷

x+1/x+4+1 =1/2

=> 2(x+1) =1(x+5)

2x+2 = x+5

2x-x =5-2

x = 3

Thus NUMBER is 3/3+4=3/7

To check÷

3+1/7+1= 4/8 =1/2



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