Simple calculation with Function

#include <stdio.h>
float sub_function(float a,float b)
{
    if(a>b)
    {
        return a-b;
    }else{
         return b-a;
    }

}
float di_function(float a,float b)
{
    if(a>b)
    {
      return a/b;
    }

    else
    {
      return b/a;
    }

}

float mul_function(float a,float b)
{
    return a*b;
}

float sum_function(float a,float b)
{
    return a+b;
}

int main()
{
    float A,B,sub,sum,mul,di;
    printf("Input 1:");
    scanf("%f",&A);
    printf("Input 2:");
    scanf("%f",&B);
    sum=sum_function(A,B);
    sub=sub_function(A,B);
    mul=mul_function(A,B);
    di=di_function(A,B);

    printf("Sum : %.2f\n",sum);
    printf("Sub : %.2f\n",sub);
    printf("Multi : %.2f\n",mul);
    printf("Div : %.2f\n",di);

    return 0;
}