Question

please solve this fast​

Answer 1

Answer:

- 349/140

Step-by-step explanation:

==> -12/5 - 7/20 + 3/14 + 1/7 - 1/10

==> 3/14 + 1/7 - 12/5 - 7/20 - 1/10

(3 + 2*1) 12*4 + 7 + 2

==> -------------- - --------------------

14 20

5 57

==> --------- - ---------

14 20

5*10 - 57*7

==> --------------------

140

50 - 399

==> ----------------

140

==> -349/140

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