1/2 x 9 9 can also be expressed as 9/1 and when we multiply fractions, the numerators and denominators are simply multiplied, easy as that 1/2 x 9/1 9/2 is your answer, which can also be written as 4 and 1/2 or 4.5
The multiplication of 2 1 × 9 results in 2 9 , which can also be expressed as the mixed number 4 2 1 or as the decimal 4.5 .
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