Question

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d. $1\frac{1}{4}$
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lesson 2: decompo
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Explanation:

Step1: Convert mixed number to improper fraction

A mixed number \(1\frac{1}{4}\) can be converted to an improper fraction by multiplying the whole number part (1) by the denominator (4) and adding the numerator (1). So, \(1\times4 + 1 = 5\). The denominator remains 4. So, \(1\frac{1}{4}=\frac{5}{4}\).

Step2: If we want to convert it to a decimal

We divide the numerator (5) by the denominator (4). \(5\div4 = 1.25\).

Answer:

As an improper fraction: \(\frac{5}{4}\); As a decimal: \(1.25\) (depending on the required form, if no specific form is given, both are valid representations. If the question was about converting the mixed number, these are the results.)