Respuesta :

Answer:

39.85

Step-by-step explanation:

40 3/5 - 3/4

Find a LCF first:

5*4 = 20

4*5 = 20

The LCF is 20.

40 12/20 - 15/20

812/20 - 15/20

797/20

39.85

Hey there!☺

[tex]Answer:\boxed{39\frac{17}{20}}[/tex]

[tex]Explanation:[/tex]

[tex]40\frac{3}{5}-\frac{3}{4}[/tex]

Evaluate the expression:

[tex]40\frac{3}{5}-\frac{3}{4}=\frac{797}{20}[/tex]

We're not complete because we need to simplify the fraction 797/20:

[tex]\frac{797}{20}=39\frac{17}{20}[/tex]

Hope this helps!☺

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