What is 9/4 divided by 10/9?

How to divide 9/4 by 10/9?

1. Invert the divisor (10/9) to get its reciprocal: 9/10
2. Multiply the dividend by this reciprocal : 9/4 × 9/10 = (9 × 9)/(4 × 10) = 81/40.
3. Since 81/40 is an improper fraction, it could also be written as $2\frac{1}{\mathrm{40}}$ .

The result of dividing 9/4 by 10/9 is : 81/40 (or 2.025 in its decimal form)