Which of the following is not true for adding mixed numbers?
1 answer:
1.which of the following is not true for adding mixed numbers?
A.the denominators of the fractions must be the same in order to add them.
B.you can add mixed numbers by changing them into improper fractions or by using a number line.
C.the sum of the mixed numbers written as an improper fraction is in simplest form.
D.the sum of the mixed numbers must be written in simplest form
The answer is C
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Answer:
i don't know its ans thank you
Becouse k and n are 'neighbours' so their sum are 180
so k=180-42=138
It should be :
1/3(x + 18) = 7
1/3x + 6 = 7
1/3x + 6 - 6 = 7 - 6
1/3x = 1
x = 3
I think the answers are B and C :))
K-3 should be the answer because andrew has 3 less than Paul.
