3/5
step-by-step explanation:
double number line is not a standard concept, so it must have been defined in your textbook. assume top line is numerator.
a
the denominator cannot be the same as one of the factors.
8 denominator times 2 denominator = 16
and 7 numerator time 11 = 77
77/16= 77/16 ( they cannot be further simplified)