Question 73559
what number must be added to both the numerator and denominator of the fraction (5/23) to give a fraction equal to (1/3).
:
Write it:
{{{((x+5))/((x+23))}}} = {{{1/3}}}
:
Cross multiply:
3(x+5) = 1(x+23
:
3x + 15 = x + 23
:
3x -x = 23 - 15
2x = 8
x = 4 has to be added:
:
:
Check, add 4 to both numerator and denominator: 9/27 = 1/3