Respuesta :

Answer:

  • Option B is correct.

Step-by-step explanation:

To subtract fractions, we must check if the denominators of both fractions are the same.

  • 2/5 - 1/7
  • => 2 x 7/5 x 7 - 1 x 5/7 x 5
  • => 14/35 - 5/35

Now, let's subtract for the result.

  • => 9/35

Hence, Option B is correct.

Hoped this helped.

[tex]BrainiacUser1357[/tex]

Magma785

Answer:

9/35

LCM of 7 and 5 = 35

Step-by-step explanation:

[tex]\frac{2}{5} -\frac{1}{7} \\\\\frac{2*7}{5*7} -\frac{1*5}{7*5} \\\\\frac{14}{35} - \frac{5}{35}\\\\\\\frac{14-5}{35} \\\\\frac{9}{35}[/tex]

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