54 divided by 4.5
step 1:
first let us convert 4.5 into fraction
4.5 =45/10
step 2:
in division of fraction we take reciprocal of the second fraction and multiply it with first one
reciprocal of 45/10 is 10/45
step 3:
multiply 54 with 10/45
540/45=12
Answer =12