The first picture is for (-4, 7) and the second picture is for (0, 8)
Work shown above! Answer is
a = 144
b = 67
What's the question you're asking?
Find the GCD (or HCF) of numerator and denominator
GCD of 7 and 9 is 1Divide both the numerator and denominator by the GCD
(7/1)/(9/1)Reduced fraction: 7/9