Question 29883
{{{ 1p + 1p/3 = 2/3 }}} add the 'p's together
{{{ 4p/3 = 2/3 }}} multiply both sides by 3/4 to cancel the 4/3
{{{ (4p/3)(3/4) = (2/3)(3/4) }}}
{{{ p = (2/3)(3/4) }}} cross reduce
{{{ p = 2/4 }}} or {{{ p = 1/2 }}}