Question

-12/5 + -7/20 + 3/14 + 1/7 + -1/10​

Answer 1

Answer:

(-349)/140

Step-by-step explanation:

-12/5 + (-7/20) + 3/14 + 1/7 + -1/10​ [The LCM is of the denominator 140, so make the fractions like]

= (-12/5*28/28) + (-7/20*7/7) + (3/14*10/10) + (1/7*20/20) + (-1/10*14/14)

= (-336/140) + (-49/140) + (30/140) + (20/140) + (-14/140)

= (-336 -49 + 30 + 20 -14)/140

= -349/140

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