What is the sum #10/19+3/19#?

1 Answer
Nov 9, 2016

#10/19 + 3/19 = color(green)(13/19)#

Explanation:

#10# of anything plus #3# of the same thing #=13# of that thing:

#color(white)("XXX")10 " elephants" + 3 " elephants" = 13 " elephants"#

#color(white)("XXX")10 " nineteenths" + 3 " nineteenths" = 13" nineteenths"#

...or maybe a picture will help:
enter image source here