YOU ARE READING 9 + 10 = 21 Humor uhh 21? #21 #math How It All Started 23 0 0 by Tom_lol by Tom_lol Follow Share Publicar en tu perfil Compartir por correo electrónico Report Story Send Send to Friend Share Publicar en tu perfil Compartir por correo electrónico Reportar Historia Well It All Started When A Father Ask His Son "What 9 + 10?" And Then His Son Said "21" And The Rest Is History.