MATHEMATICS MIDDLE SCHOOL

Andre says that 5 3/4 + 2 1/4 = 7 1/2 because 7 4/8 = 7 1/2. Identify his mistake. Draw a picture to prove that he is wrong.

Answers

Answer 1
Answer:

Answer:

Step-by-step explanation:

The given expression is

5(3)/(4)+2(1)/(4) =7(4)/(8)=7(1)/(2)

We will rewrite the expression

(23)/(4)+(9)/(4) =(60)/(8)=7(1)/(2)

When we add the fraction

(23+9)/(4) = (32)/(4) = 8

While Andre says the answer is 7(1)/(2)

because Andre added the denominator where he has to make a common denominator that should be 4 instead of 8.

Andre made mistake in this step

Picture is given below :

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