Respuesta :

Answer:

15/4=3.75

Step-by-step explanation:

4.5 = 9/2 = 18/4

18/4 - 3/4 =

15/4=

=3.75

mata84

Answer:

19/4 - 3/4 = 15/4 = 3 3/4

Step-by-step explanation:

4 1/2 =9/2

For subtraction or addition fractions you need to find a common domintor (the bottom number)

9/2 ×2 =19/4

19/4 -3/4=15/4= 3 3/4

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