Question

express 2/-7 as a rational number with denominator (a) 42 (b) -28​

Answer 1

Given number :-

$\frac{ - 2}{7}$

a)For expressing it with denominator 42

Multiply the numerator and denominator with 6,we get :-

$\frac{ - 12}{42}$

b)For expressing it with denominator -28

Multiply the numerator and denominator with 4,we get:-

$\frac{8}{ - 28}$

Answer 2

(a) 2/-7 x -6/-6= -12/42
(b) 2/-7x 4/4= 8/-28
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