please, help me with this?
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Answered by
1
Answer:
1) -1/12
Step-by-step explanation:
step 1: 5/6*2=10/12
step 2: 10/12-11/12= -1/12
Answered by
1
Step-by-step explanation:
5/6+(-11/12)
lcm is 12
10-11/12
-1/12
Ans=-1/12
2)associative property formula
a+(b+c)=(a+b)+c
a=2/3,b=-21/18,c=90/14
2/3(-21/18+90/14)=(2/3-21/18)90/14
221/126≠-45/14
3)2/3×5/5 , 4/5×3/3
10/15,20/15
11/15,12/15,13/15,14/15,16/15
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