Solve (1/4)² + 1/16: Adding Squared Fractions Problem

Fraction Operations with Exponents

(14)2+116= (\frac{1}{4})^2+\frac{1}{16}=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Solve the following problem
00:03 Break down the exponent
00:06 Make sure to multiply numerator by numerator and denominator by denominator
00:10 Let's combine
00:12 This is the solution

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

(14)2+116= (\frac{1}{4})^2+\frac{1}{16}=

2

Step-by-step solution

Let's start by solving the given expression (14)2+116(\frac{1}{4})^2+\frac{1}{16}.

We will first evaluate the power: (14)2(\frac{1}{4})^2.

  • When you square a fraction, you square both the numerator and the denominator. Therefore,
  • Solve (14)2=1242=116\left(\frac{1}{4}\right)^2 = \frac{1^2}{4^2} = \frac{1}{16}.

Now that we have the squared term, the expression simplifies to 116+116\frac{1}{16} + \frac{1}{16}.

To add these fractions, we simply add the numerators since they have the same denominator:

  • 116+116=1+116=216\frac{1}{16} + \frac{1}{16} = \frac{1+1}{16} = \frac{2}{16}.

Simplify the fraction 216\frac{2}{16} by dividing both the numerator and the denominator by their greatest common divisor, which is 2:

  • 216=2÷216÷2=18\frac{2}{16} = \frac{2 \div 2}{16 \div 2} = \frac{1}{8}.

Therefore, the answer to the expression is 18\frac{1}{8}.

3

Final Answer

1/8

Key Points to Remember

Essential concepts to master this topic
  • Exponent Rule: Square both numerator and denominator separately
  • Technique: (14)2=1242=116 (\frac{1}{4})^2 = \frac{1^2}{4^2} = \frac{1}{16}
  • Check: Add fractions with same denominator: 116+116=216=18 \frac{1}{16} + \frac{1}{16} = \frac{2}{16} = \frac{1}{8}

Common Mistakes

Avoid these frequent errors
  • Not squaring both parts of the fraction
    Don't square just the numerator or denominator = (14)2=14 (\frac{1}{4})^2 = \frac{1}{4} is wrong! This ignores how exponents work with fractions and gives 14+116=516 \frac{1}{4} + \frac{1}{16} = \frac{5}{16} instead of 18 \frac{1}{8} . Always square both the top and bottom numbers separately.

Practice Quiz

Test your knowledge with interactive questions

\( 5+\sqrt{36}-1= \)

FAQ

Everything you need to know about this question

Why do I square both the top and bottom numbers?

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When you square a fraction, you're multiplying it by itself: 14×14=1×14×4=116 \frac{1}{4} \times \frac{1}{4} = \frac{1 \times 1}{4 \times 4} = \frac{1}{16} . This is why both parts get squared!

How do I add fractions with the same denominator?

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When denominators are the same, just add the numerators and keep the denominator: 116+116=1+116=216 \frac{1}{16} + \frac{1}{16} = \frac{1+1}{16} = \frac{2}{16}

Do I always need to simplify my final answer?

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Yes! Always check if you can make your fraction simpler. 216 \frac{2}{16} simplifies to 18 \frac{1}{8} by dividing both parts by 2.

What if I get confused about order of operations?

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Remember PEMDAS! Do the exponent first: (14)2 (\frac{1}{4})^2 , then add: +116 + \frac{1}{16} . Take it one step at a time!

How can I check if my answer is correct?

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Convert your answer to decimal and check: 18=0.125 \frac{1}{8} = 0.125 . Also verify: 0.0625+0.0625=0.125 0.0625 + 0.0625 = 0.125

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