Write 3 1/2 as an Improper Fraction

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To change a mixed number like 3 1/2 (three and one-half) to an improper fraction, follow these steps:

First, multiply the whole number (the 3) by the denominator of the fraction (the 2 in 1/2). Then add this number to the numerator (the 1 in 1/2). You end up with 7.

Second, take the denominator from the fraction 1/2. This becomes the denominator for the improper fraction.

The resulting improper fraction is 7/2.

Note that the mixed number 3 1/2 is equal to the improper fraction 7/2. The are both equal to 3.5, we've just changed the way the fractions are are represented.
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