i only know 1 which is 9/2
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One half and four fifths can't be written as improper fractions.
improper fraction f0r three wholes and one half = 7/2
You multiply two halves, the equivalent of four, by four to get a product of 8 halves. Then add the "extra" half from the original "four and one half" to get nine halves.
.75 3/4 is three quarters in fractions.
The idea is to divide 14 1/2 by 1 3/5. You need to convert the mixed fractions into improper fractions to do the division.