What is the meaning of the formula [5 / 9 divided by 3 / 5]? The division sign doesn't play On the significance of fractional division The title is as follows: [5 / 9 divided by 3 / 5] means ()

What is the meaning of the formula [5 / 9 divided by 3 / 5]? The division sign doesn't play On the significance of fractional division The title is as follows: [5 / 9 divided by 3 / 5] means ()

5 / 9 divided by 3 / 5 is the reciprocal of 5 / 9 times 3 / 5
5 / 9 times 5 / 3 = 25 / 27
5 / 9 is divided by 3 / 5

2 / 7 divided by 7 / 9 divided by 3 / 14

（2/7）/（7/9）/（3/14）

When calculating a division formula, a student multiplied 5 by 5. The result is 25 / 12. What's the correct answer

25 / 12 / 5 / 5 = 1 / 12 the correct answer is 1 / 12

5 out of 12 divided by 15 out of 16 = 4 out of 9

5/12÷15/16=4/9
Modified multiplication: 15 / 16 × 4 / 9 = 5 / 12
Division: 5 / 12 △ 4 / 9 = 15 / 16