Multiply the Fractions: Calculate 2/7 × 3/5 Step-by-Step

Fraction Multiplication with Basic Numerators

27×35= \frac{2}{7}\times\frac{3}{5}=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:06 Let's solve this problem together.
00:09 Remember, multiply the top numbers with the top numbers, and the bottom numbers with the bottom numbers.
00:16 Now, let's do the math. Multiply each pair to get the results.
00:21 Great work! That's how we find the solution.

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

27×35= \frac{2}{7}\times\frac{3}{5}=

2

Step-by-step solution

To solve this problem, we'll follow these steps:

  • Step 1: Multiply the numerators.
  • Step 2: Multiply the denominators.
  • Step 3: Simplify the resulting fraction, if necessary.

Now, let's work through each step:
Step 1: Multiply the numerators: 2×3=6 2 \times 3 = 6 .
Step 2: Multiply the denominators: 7×5=35 7 \times 5 = 35 .
Thus, the product of the fractions is 635 \frac{6}{35} .

Therefore, the solution to the problem is 635 \frac{6}{35} .

3

Final Answer

635 \frac{6}{35}

Key Points to Remember

Essential concepts to master this topic
  • Rule: Multiply numerators together, then multiply denominators together
  • Technique: Calculate 2×3=6 and 7×5=35 to get 635 \frac{6}{35}
  • Check: Verify fraction is in lowest terms by checking for common factors ✓

Common Mistakes

Avoid these frequent errors
  • Adding denominators instead of multiplying
    Don't add denominators like 7+5=12 to get 612 \frac{6}{12} ! This confuses addition and multiplication of fractions, giving completely wrong results. Always multiply both numerators together AND denominators together.

Practice Quiz

Test your knowledge with interactive questions

Complete the following exercise:

\( \frac{1}{2}:\frac{3}{5}=\text{?} \)

FAQ

Everything you need to know about this question

Why do I multiply straight across instead of finding a common denominator?

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Unlike adding fractions, multiplying fractions doesn't need common denominators! You simply multiply numerator × numerator and denominator × denominator straight across.

Do I always need to simplify the answer?

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It's good practice to check if your answer can be simplified. For 635 \frac{6}{35} , since 6 and 35 share no common factors, it's already in lowest terms.

What if one of the fractions is a whole number?

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Remember that any whole number can be written as a fraction with denominator 1. For example, 3 = 31 \frac{3}{1} , so you can multiply normally!

How can I check if my multiplication is correct?

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Double-check your arithmetic: 2×3=6 and 7×5=35. You can also estimate: 27 \frac{2}{7} is about 0.3 and 35 \frac{3}{5} is 0.6, so 0.3×0.6≈0.18, which matches 635 \frac{6}{35} ≈0.17.

Why is my answer smaller than both original fractions?

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When you multiply two proper fractions (where numerator < denominator), the result is always smaller than either fraction. Think of it as taking a fraction of a fraction!

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