Final answer:
The simplified fraction of 54/63 is 6/7 with the G.C.F. '9'.
Step-by-step explanation:
To simplify the fraction 54/63, we need to find a number that both the numerator (54) and the denominator (63) are divisible by.
This number is known as a common factor.
Both 54 and 63 are divisible by 9.
If we divide both the numerator and the denominator by 9, we get:
54 ÷ 9 = 6
63 ÷ 9 = 7
Therefore, the simplified form of the fraction 54/63 is 6/7.