Question

find the rational number whose standard form is 5/7and the sum of its numerator and denominator is 36​

Answer 1

Answer:

let numerator be x  and denominator be y

then fraction be  x/ y

according to condition 1

x /y = 5/7

7 x = 5y

x   = 5y/ 7  .......(1)

according to condition  ...(2)

x + y =36 ....... (2)

put value of  x in equation 2

5y / 7 +y = 36

5 y  + 7 y = 36 * 7

12  y = 36 * 7

y  = 36 * 7 / 12

y = 21

 then x  = 15

Step-by-step explanation: