13/4
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It is: 4 and 1/3 = 13/3 as an improper fraction
4 1/3 as an improper fraction = 13/3
No because 3 and 1/4 is a mixed number but as an improper fraction it is 13/4
The improper fraction of 1-3/4 is 7/4. Multiply the denominator (4) times the whole number (1), which equals 4. Then add 4 to the numerator (3), which gives you 7, which is the numerator of the improper fraction, 7/4.
improper fraction of 4 = 4/1