Solve: Multiplying 7 by 2/5 Step-by-Step

Question

7×25= 7\times\frac{2}{5}=

Video Solution

Solution Steps

00:00 Solve
00:03 Let's move the multiplier to the numerator
00:07 Let's calculate the multiplication
00:11 Now let's convert to a mixed fraction
00:15 Let's break down 14 into 10 plus 4
00:21 Let's break down the fraction into a whole number and remainder
00:27 Let's convert from an improper fraction to a whole number, and combine into a mixed fraction
00:33 And this is the solution to the problem

Step-by-Step Solution

To solve the problem 7×25 7 \times \frac{2}{5} , we will follow a structured approach:

  • Step 1: Multiply the whole number by the numerator of the fraction.
  • Step 2: Retain the denominator of the fraction.
  • Step 3: Simplify the resulting fraction, if possible.

Let's work through each step:

Step 1: Multiply the whole number by the numerator.
We have 7×2=14 7 \times 2 = 14 .

Step 2: Keep the denominator the same.
The resulting fraction is 145\frac{14}{5}.

Step 3: Convert the improper fraction to a mixed number if possible.
Divide the numerator by the denominator: 14÷5=2 14 \div 5 = 2 with a remainder of 4 4 .
This results in the mixed number 245 2\frac{4}{5} .

Therefore, the solution to the problem 7×25 7 \times \frac{2}{5} is 245 2\frac{4}{5} , which corresponds to choice 3 in the provided options.

Answer

245 2\frac{4}{5}