Question

using appropriate properties find 2/5×-3/7-1/14-3/7×3/6​

Answer 1

Answer:

-16/35

Step-by-step explanation:

=2/5 x -3/7-1/14-3/7 x 3/6

=-6/35 - 1/14 - 9/42

= -36 - 15 - 45 / 210

= -96 / 210

= - 16/35

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Answer 2

Take in pairs

(2/5 × -6/7) - (1/14 - 3/7) × 3/6

(2/5 × -6/7) = -12/35

1/14 - 3/7 LCM of 7,14 is 14

1/14×1/1 - 3/7×2/2 = 1/14 - 6/14 = -5/14

-12/35 - (-5/14) × 3/6

-12/35 - (-5/14) LCM of 35, 14 is 70

(-12/35×2/2) - (-5/14×5/5)

-24/70 - (-25/70)

-24/70 + 25/70

24/70 -25/70 = 1/70