Answer:
Find GCD (Greatest Common Factor) for both numerator & denominator.
The GCF for 34 & 78 is 2
step 3 divide the numerator & denominator by GCD 2 and rewrite the fraction
= (34/2) / (78/2)
= 17/39
Thus, 17/39 is the simplified fraction for 34/78 by using the GCD or HCF method
Explanation: