What is 9/10 divided by 8/9?

How to divide 9/10 by 8/9?

1. Invert the divisor (8/9) to get its reciprocal: 9/8
2. Multiply the dividend by this reciprocal : 9/10 × 9/8 = (9 × 9)/(10 × 8) = 81/80.
3. Since 81/80 is an improper fraction, it could also be written as $1\frac{1}{\mathrm{80}}$ .

The result of dividing 9/10 by 8/9 is : 81/80 (or 1.0125 in its decimal form)