Answer:
Explanation:
The given addition exercise is:
The LCM of the denominator (5 and 3) = 15
Multiply 2/5 by 3/3
Multiply 1/3 by 5/5
The addition becomes
Therefore, we can fill in the vacant boxes as shown below:
Answer:
The answer is...
Step-by-step explanation:
Cost
Answer: 54
Step-by-step explanation: I separated it into 3 areas in my head and then added up 21+21+12 to get 54
7 times 3 is 21
7 times 3 is 21
and
3 times 4 is 12
sorry if i am wrong i just did this in my head
12x +13 equal to or not equal to 12x - 6 + 8 or 12x +2
No, these expressions are not equivalent.
Hope this helps!
Multiplication because you undo it