Question

bar of 0.45 into p÷q

Answer 1

let x be .45454545...
therefore 100x will be 45.454545...
now
100x -x =45.4545 ....-0.45...
99x= 45
x= 45/99
= 5/11

Answer 2

0.45 (bar on 45)

Let x = 0.454545.............$\bf{ (i) }$

100x = 45.454545..........$\bf{ (ii) }$

$\bf{ (ii) }$-$\bf{ (i) }$=(45.4545...)-(0.4545...)

➡️ 100x - x = 45

➡️ 99x = 45

➡️ x = $\bf{ 45/99 }$