-81/625 / 243/3125
[ -81 / 625 ] / [ 243 / 3125 ]
Invert the second fraction and multiply.
= [ -81 / 625 ] * [ 3125 / 243 ]
= [ -81 * 3125 ] / [ 625 * 243 ]
= -253125 / 151875
= -5/3
≈ -1.667
[-81 / 625] / [243 / 3125] =
[-81 / 625 ] * [ 3125 / 243 ] swap denominators
[-81 / 243 ] * [ 3125 / 625 ]
[ -81 / ( 81 * 3 ) ] * [ (625 * 5) / 625 ]
[ -1 / 3 ] * [ 5 / 1 ] =
-5 / 3
