Answer:
4/7
Step-by-step explanation:
3/4 and 16/21 are already in their simplest form.
1. begin by multiplying across the numerators.
3 x 16 = 48
2. next multiply across the denominators.
4 x 21 = 84
3. now u have the fraction 48/84
4. next make sure to simplify your answer. 48/84 as a simplified fraction is 4/7
I hope this helps