Compare Fractions: Find the Missing Symbol Between 2/5 and 7/10

Question

Fill in the missing sign:

25710 \frac{2}{5}☐\frac{7}{10}

Video Solution

Solution Steps

00:00 Choose the appropriate sign
00:03 We want to reduce the fraction by 2 to get a common denominator
00:09 Remember to multiply both numerator and denominator
00:13 Now we have a common denominator between the fractions
00:19 When denominators are equal, the larger the numerator, the larger the fraction
00:27 And this is the solution to the question

Step-by-Step Solution

To solve this problem, we will follow these steps:

  • Step 1: Convert 25\frac{2}{5} to an equivalent fraction with a denominator of 10.
  • Step 2: Compare the numerators of the two fractions with the common denominator.

Now, let's work through each step:

Step 1: Convert 25\frac{2}{5} to an equivalent fraction with denominator 10.

To convert 25\frac{2}{5} to have a denominator of 10, we need to determine what number, when multiplied with 5, gives us 10. It is 2. Hence, we multiply both the numerator and denominator of 25\frac{2}{5} by 2:

25×22=410 \frac{2}{5} \times \frac{2}{2} = \frac{4}{10}

Now, 25\frac{2}{5} is equivalent to 410\frac{4}{10}.

Step 2: Compare the fractions 410\frac{4}{10} and 710\frac{7}{10}.

Both fractions now have the same denominator, 10. We can compare them directly by looking at their numerators:

4and7 4 \quad \text{and} \quad 7

Since 4 is less than 7, we have:

410<710 \frac{4}{10} < \frac{7}{10}

Therefore, 25<710\frac{2}{5} < \frac{7}{10}.

The correct mathematical sign that completes the statement is <\lt, so:

25<710 \frac{2}{5} < \frac{7}{10}

Answer

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