Solve Mixed Number Multiplication: 2 × 2½

Question

2×212= 2\times2\frac{1}{2}=

Video Solution

Step-by-Step Solution

To solve the problem 2×2122 \times 2\frac{1}{2}, we will approach it step by step:

  • Step 1: Convert the mixed number 2122\frac{1}{2} to an improper fraction.
  • Step 2: Multiply the improper fraction by the integer 22.
  • Step 3: Simplify the result if necessary.

Let's execute these steps:

Step 1: Convert 2122\frac{1}{2} to an improper fraction:
The denominator is 22. Multiply the whole number part, 22, by the denominator, 22, and add the numerator, 11:

2×2+1=52 \times 2 + 1 = 5

So, the improper fraction is 52\frac{5}{2}.

Step 2: Multiply 52\frac{5}{2} by 22:

2×52=2×52=1022 \times \frac{5}{2} = \frac{2 \times 5}{2} = \frac{10}{2}

Step 3: Simplify 102\frac{10}{2}:

102=5\frac{10}{2} = 5

Therefore, the solution to the problem is 5 5 .

Answer

5 5