The expression "4 whole 1 over 4" can be interpreted as a mixed number, which is written as:
\[ 4 \frac{1}{4} \]
To convert this mixed number into an improper fraction:
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Multiply the whole number (4) by the denominator (4): \[ 4 \times 4 = 16 \]
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Add the result to the numerator (1): \[ 16 + 1 = 17 \]
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Place the result over the original denominator: \[ \frac{17}{4} \]
So, \( 4 \frac{1}{4} \) is equivalent to \( \frac{17}{4} \) as an improper fraction.