Write a C program which which prints the temperature in celsius from 0 to 20 and their equivalent value in Farnheint

Question

i just tried to write it but when i compile it it gives the first value 0 a correct equivalent in Farnheint which is 32 but for the lest value it gives worng equivalent in F
#include <stdio.h>
int main()
{
float fahrenheit, celsius;
int low, high, interval;
low = 0;
high = 20;
interval = 1;
printf(" c \t f\n\n");
celsius = low;
while(celsius <= high)
{
fahrenheit = ((9 / 5)*celsius + 32);
printf("%3.0f \t %3.1f\n", celsius, fahrenheit);
celsius = celsius + interval;
}
return 0;
}

Answer 1

guys pls help