Convert Fraction to Decimal: Solving 35/1000 Step-by-Step

Fraction to Decimal with Powers of Ten

351000= \frac{35}{1000}=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Convert to decimal fraction
00:03 Write the numerator as a number
00:07 Now according to the denominator, move the decimal point to the left
00:11 There are 3 zeros in the denominator, so we move 3 times to the left
00:22 And this is the solution to the question

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

351000= \frac{35}{1000}=

2

Step-by-step solution

To solve this problem, we'll convert the fraction 351000\frac{35}{1000} into a decimal by performing division:

  • Step 1: Setup the expression for division, 351000\frac{35}{1000}.
  • Step 2: Perform the division 35÷100035 \div 1000.
  • Step 3: Understand the place of the decimal in the quotient.

Now, let's work through these steps:

Step 1: Divide 35 by 1000.

35 divided by 1000 moves the decimal three places to the left, since 1000 has three zeroes.\text{35 divided by 1000 moves the decimal three places to the left, since 1000 has three zeroes.}

Step 2: Performing 35÷100035 \div 1000:

35÷1000=0.03535 \div 1000 = 0.035

This is because dividing by 1000 positions the decimal point three places to the left of 35, resulting in 0.0350.035.

Therefore, the solution to the problem is 0.035\mathbf{0.035}.

3

Final Answer

0.035

Key Points to Remember

Essential concepts to master this topic
  • Rule: Dividing by powers of ten moves decimal left
  • Technique: 1000 has three zeros, so move decimal three places left
  • Check: Multiply back: 0.035 × 1000 = 35 ✓

Common Mistakes

Avoid these frequent errors
  • Misplacing the decimal point
    Don't count zeros incorrectly or move decimal the wrong direction = 0.35 instead of 0.035! This gives an answer 10 times too large. Always count the zeros in the denominator carefully and move the decimal point that many places to the LEFT.

Practice Quiz

Test your knowledge with interactive questions

Write the following fraction as a decimal:

\( \frac{1}{100}= \)

FAQ

Everything you need to know about this question

Why does dividing by 1000 move the decimal three places?

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Because 1000 = 10³, which has three zeros! Each zero represents one decimal place. Dividing by 10 moves decimal left once, by 100 moves it left twice, by 1000 moves it left three times.

What if I don't see a decimal point in 35?

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Every whole number has an invisible decimal point at the end! So 35 is really 35.000, and moving three places left gives you 0.035.

How do I remember which direction to move the decimal?

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Division makes numbers smaller, so the decimal moves LEFT. Multiplication makes numbers bigger, so the decimal moves RIGHT. Think: smaller = left!

Can I just do long division instead?

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Yes, but it's much slower! Long division of 35÷1000 35 ÷ 1000 will give the same answer, but the decimal-moving shortcut is faster for powers of ten.

What if my answer has trailing zeros?

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You can write 0.035 or 0.0350 - both are correct! The trailing zeros don't change the value, but 0.035 is the simplest form.

How can I check my answer quickly?

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Multiply your decimal answer by the original denominator: 0.035×1000=35 0.035 × 1000 = 35 . If you get the original numerator, you're right!

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