(54/9) * (23/7) / (12/15) = (49/9) * (17/7) / (17/15)
= (49/9) * (17/7) * (15/17) = 35/3 = 112/3
86.2667
3.75
21
(3/7)/(15/2)=(3/7) times (2/15) = 6/105 = 2/35
50 = 15% x ? 50 divided by .15 = 333.33 (infinity)
86.2667
3.75
15/25 divided by 16/25= 15/25 times 25/16= 375/400= 15/16
21
32 and 1/3 32.333333
In order to solve 7/9 divided by 8/15, you must multiply by the reciprocal. In other words, 7/9 divided by 8/15 becomes 7/9 multiplied by 15/8. After this, you can cross cancel if there are common factors. 9 and 15 have a common factor of 3, so you can divide each by 3. The problem then becomes 7/3 multiplied by 5/8. You then multiply across the top and the bottom. Your final answer then is 35/24.
50 = 15% x ? 50 divided by .15 = 333.33 (infinity)
(3/7)/(15/2)=(3/7) times (2/15) = 6/105 = 2/35
25/36 divided by 15/9 is 0.41667
15
Assuming the equation is 3x=15, you just need to divide each side of the equation by three. On the left, x times three divided by three is one times x, or just x. On the right side, fifteen divided by three is five. So you are left with x=5.
15 divided by 1/6 = 90