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Question
By what number should `(- 33)/16` be divided to get `(-11)/4`?
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Solution
Let the number be x.
`(- 33)/16 div "x" = - 11/4`
`(- 33)/16 div "x"/1 = - 11/4`
`(- 33)/16 xx 1/"x" = - 11/4` ....`["a"/"b" div "c"/"a" = "a"/"b" xx "d"/"c"]`
`(- 33 xx 1)/"16x" = -11/4`
- 33 × 4 = - 11 × 16 x .....`["a"/"b" xx "c"/"d" = ("a" xx "c")/("b" xx "d")]`
`(- 33 xx 4)/(- 11 xx 16) = "x"`
x = `3/4`
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