convert the C to F

#include <stdio.h>

int main(void){
    float fahr, celsius;
    printf("fahr\tcelsius\n");
    for (fahr = 0; fahr <= 300 ; fahr +=20)
    {
        celsius = (5.0 / 9.0)*(fahr - 32); /* .0 is very important in this program */
        printf("%3.1f\t%6.1f\n", fahr, celsius);
    }
    return 0;
}