Because the factors in the numerator cancel with the factors in the denominator. Consider this example:

All of the 6's in the denominator canceled with the 6's in the numerator, and only 3 6's "survived". The opposite can also happen, if there are more terms in the denominator:

So, everything is coherent
Answer:
C is correct
Step-by-step explanation:
3+6=9
2 sides on a triangle must be greater than the other side
Answer:
= 45/99 (since 45 is the repeating part of the decimal and it contains 2 digits). We can divide both the top and bottom parts by 9 to find that 0.454545… = 45/99 = 5/11.
Step-by-step explanation:
Hope this helps!