Question

Evaluate 6/7-1+(-7/9)+(-12/7 )+19/21

Answer 1

hey everyone,

this is your answer.

6/7 -1 +(-7/9)+(-12/7)+19/21

= 6/7 -1/7 -7/9 -12/7 -19/21

= -7/7 -7/9 +19/21

taking LCM

= (-63 -49 +57)/63

= (-112 +57)/63

= 55/63

hence, solved.

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