Answer:
A) a = 1, b = 5, c = 9
Explanation:
Given equation:

Convert the mixed numbers into improper fractions by multiplying the whole number by the denominator of the fraction, adding this to the numerator of the fraction, and placing the answer over the denominator:

Simplify the numerators:


Divide the fractions by using the "invert and multiply" rule:

Multiply the fractions:

Divide the numerator and denominator by their highest common factor:


Simplify:



Therefore, the values of a, b and c are: