13 over 4
Take the whole number, and multiply it by the denominator.
3*4=12
Then add the numerator to the product.
12+1=13
Then put it over the denominator.
13 over 4
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It is: 4 and 1/3 = 13/3 as an improper fraction
improper fraction of 1 and 3 over 8 = 11/51 3/8:= [(8 * 1)+3]/8= [8+3]/5= 11/5 in improper fraction
It is 3/1 as an improper fraction
3 1/7:= [(7*3)+1]/7= [21+1]/7= 22/7 in improper fraction
3/3 is already an improper fraction.