Solve: 1/2 + 0.5 - 0 Using Mixed Number Formats

Mixed Number Operations with Zero Values

12+0.50= \frac{1}{2}+0.5-0=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Solve
00:03 Since subtracting 0 doesn't change the result, we'll reduce it
00:06 Now let's continue solving
00:09 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

12+0.50= \frac{1}{2}+0.5-0=

2

Step-by-step solution

According to the order of operations, we will solve the exercise from left to right.

12=0.5 \frac{1}{2}=0.5

0.5+0.5=1 0.5+0.5=1

10=1 1-0=1

3

Final Answer

1

Key Points to Remember

Essential concepts to master this topic
  • Conversion: Transform fractions to decimals for consistent calculation format
  • Technique: Convert 12=0.5 \frac{1}{2} = 0.5 then add 0.5 + 0.5 = 1
  • Check: Verify 1 - 0 = 1 gives final answer ✓

Common Mistakes

Avoid these frequent errors
  • Treating zero as insignificant in calculations
    Don't ignore the -0 at the end thinking it doesn't matter = missing verification step! While subtracting zero doesn't change the value, skipping this step can lead to careless errors in more complex problems. Always complete every operation in the given order.

Practice Quiz

Test your knowledge with interactive questions

Write the following fraction as a decimal:

\( \frac{5}{100}= \)

FAQ

Everything you need to know about this question

Why do I need to convert the fraction to a decimal?

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Converting 12 \frac{1}{2} to 0.5 makes addition easier since you're adding two decimals instead of mixing formats. You could also convert 0.5 to 12 \frac{1}{2} and add fractions!

Does subtracting zero really do anything?

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Mathematically, subtracting zero doesn't change the value. However, it's important to follow the order of operations and complete every step to build good problem-solving habits.

What if I get confused with mixed formats?

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Pick one format and stick with it! Convert everything to either decimals (0.5 + 0.5 - 0) or fractions (12+120 \frac{1}{2} + \frac{1}{2} - 0 ) before calculating.

How can I check if my answer is correct?

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Work backwards! Since your answer is 1, verify: 1 + 0 = 1, then 1 - 0.5 = 0.5, and finally 0.5 = 12 \frac{1}{2}

Why is the answer 1 and not 0.5?

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Remember to add before subtracting! 12+0.5=0.5+0.5=1 \frac{1}{2} + 0.5 = 0.5 + 0.5 = 1 , then 1 - 0 = 1. Don't skip the addition step!

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