Question

what should be subtracted from (8/9-3/6) to get-9/21? ​

Answer 1

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Answer 2

Answer:

103 / 126

Step-by-step explanation:

8 / 9 - 3 / 6

take LCM of 9 and 6 (18)

{ 2 × (8) - 3 × (3) } / 18

{ 16 - 9 } / 18

7 / 18

8 / 9 - 3 / 6 = 7 / 18

ATQ,

7 / 18 - x = - 9 / 21

- x = - 9 / 21 - 7 / 18

take LCM of 21 and 18 (126)

- x = { 6 × (-9) - 7 × (7) } / 126

- x = { -54 - 49 } / 126

- x = { -103 } / 126

- x = -103 / 126

x = 103 / 126