Respuesta :

Answer:

In a simplified version it can be expressed as 3/4.

Hope that helped. x

Step-by-step explanation:

21 divided by 7 is 3

28 divided by 7 is 4.

suspho

Answer:

3/4

Step-by-step explanation:

what is equal to21/28

3/4

21:28= 0.75

3:4= 0.75

or semplify 21/28 to 3/4 (divide both numbers by 7)