Oliver and Sara shared a whole pizza. Oliver ate 1/3 of the pizza, and Sara ate 1/4 of the pizza. What fraction of the whole pizza did they eat?

Respuesta :

1/4=3/12
1/3=4/12

4/12+3/12=7/12

Oliver and Sara ate 7/12 of the pizza. =)
4/12+3/12=7/12
so 7/12 is what they ate

please give brainliest!