Question

please solve this problem it is very urgent pleaseeeeeeeeee
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Answer 1

Answer:

-7/6×2/9= -7/3×1/9= -7/27

20/21×7/10=2/3×1/1=2/3

= -7/27 - 2/3

= -7-18/27= -25/27

Answer 2

this answer will be helpful for u