$52.50 / 42 = 1.25
$1.25 per each slice
0.05 is the answer for your question.
I have a sum because it is an addition problem
You have the answer into the images.
multiples of 6 are: 6, 12,18,24,30,36,42,48,54
multiples of 9 are: 9,18,27,36,45,54
the lowest number they both have in common is 18
so the least common denominator is 18
