Answer:
No, you don't.
Step-by-step explanation:
The denominator only changes if you're multiplying/dividing. You may need to create an <em>equivalent fraction</em> to add the fractions together, but you <em>don't</em> add or subtract the denominator.
Hope this helps! Have a great day!
The answer is 1 mile an hour
Answer:
none
Step-by-step explanation:
, the answer 17.25, there must a be a typo in your question