Are you asking what are they, or what are you asking?
If in a fraction, the numerator or the denominator or both are fractions, then it is called a complex fraction.
Example 1:

Here, since the numerator is a fraction, it is a complex fraction.
Example 2:

Here, since the numerator and the denominator are fractions, it is a complex fraction.
Answer:
6a is 80 6b120
Step-by-step explanation:
Answer: we need the formula but it should be 10 times 14 times 6
Step-by-step explanation:
Hi!! Okay thanks! And yes I think that’s correct.