3/4 * 4/5

To multiply fractions, you simply multiply the numerators (top numbers) and denominators (bottom numbers) together.

For the fraction 3/4 multiplied by 4/5, you do:

(3 * 4) / (4 * 5)

This simplifies to:

12/20

Since 12 and 20 have a common factor of 4, you can simplify this fraction further by dividing both the numerator and denominator by 4:

12/20 = (12 ÷ 4) / (20 ÷ 4) = 3/5

So, 3/4 multiplied by 4/5 equals 3/5.