maniii

$('.b-rewiews__answer-no').click(function() {
  $('.b-rewiews__number-red').html(Number($(this).closest('.b-rewiews__rewiew-answer').find('.b-rewiews__number-red').text())+1);
});
//or
$('.b-rewiews__answer-no').click(function() {
var par = $(this).closest('.b-rewiews__rewiew-answer');
var child = par.find('.b-rewiews__number-red').text();
par.find('.b-rewiews__number-red').html(Number(child)+1);
});