Question

add rational numbers -2/3+(-4/5)+5/6

Answer 1

LCM of 3,5 nd 6 is 30.
-20/30+(-24/30)+25/30
= -44/30+25/30
= -19/30

hence,-19/30 will be ur answer

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Answer 2

-2/3 - 4/5 + 5/6
taking L.C.M ( i.e. 30 )
-20-24+25/30
-19/30
hope it will help u..