Find the value of -213÷17.

Find the value of `(-2)/13 ÷ 1/7`.

Sum

`(- 2)/13 ÷ 1/7 = (- 2)/13 xx 7`

= `(-2xx7)/(13xx1)`

= `(-14)/13`

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Evaluate:

`- 21/16 ÷ ((-7)/8)`

m and n are two rational number such that

`"m"xx"n"=-25/9`

if `"n"=-10/9,`find `"m"`

By what number should `(-8)/13` be multiplied to get 16?

Find (m + n) ÷ (m - n), if:

m = `3/4` and n = `4/3`

Find (a + b) ÷ (a – b) if a = `(-3)/5`, b = `2/15`

The reciprocal of `1/2` is ______.

`(-3)/7 ÷ ((-7)/3)` = ______.

If `p/q` is a rational number and m is a non-zero common divisor of p and q, then `p/q = (p ÷ m)/(q ÷ m)`.

Simplify:

`13/11 xx (-14)/5 + 13/11 xx (-7)/5 + (-13)/11 xx 34/5`

Find the reciprocal of the following:

`(-5 xx 12/15) - (-3 xx 2/9)`