Question

simplify -3/7and
+5/-4​

Answer 1

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Answer 2

Step-by-step explanation:

$\frac{ + 5}{ - 4} \: \: \: \: \: \: \: \: as \: denominator \: \\ cannot \: be \\ \: negetive \: so \: we \: muliplied\: by \: \\ \frac{ - 1}{ - 1}$

$\frac{5}{ - 4} \times \frac{ - 1}{ - 1} = \frac{ - 5}{4}$

THEN,

$\frac{ - 3}{7} + ( \frac{ - 5}{4} )$

$\frac{ - 3}{7} - \frac{5}{4}$

$take \: lcm \: of \: (7 \: and \: 4)$

-12 -35/28

-47/28

hence answer = -47/28