Respuesta :

Answer:

Step-by-step explanation:

4/20 + 11/20 = 15/20

15/20 = 3/4 or 0.75

Answer:

3/4

Step-by-step explanation:

4/20+11/20=15/20

GCF(greatest common factor)=5

15÷5=3

20÷5=4

3/4

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