Question

when are fixed number is added to the numerator and denominator of 9/17 the rational number becomes 5/7 find the number​

Answer 1

Answer:

11

Step-by-step explanation:

let the fixed number be denoted by x;

$\frac{(9+x)}{(17+x)}=\frac{5}{7}  \\crossmultiplying\\7(9+x)=5(17+x)\\63+7x=85+5x\\7x-5x=85-63\\2x=22\\x=11$