To multiply 3/4 by 16/9, you can multiply the numerators (top numbers) together to get the new numerator, and multiply the denominators (bottom numbers) together to get the new denominator. Then, simplify the resulting fraction if possible.
So,
(3/4) x (16/9) = (3 x 16) / (4 x 9)
= 48/36
= 4/3
Therefore, 3/4 multiplied by 16/9 is equal to 4/3.