mercedescookhannah
mercedescookhannah mercedescookhannah
  • 30-05-2020
  • Mathematics
contestada

Here are two sums
2/7 + 1/4 5/6 - 1/4
A В
Which of the two sums is closer in value to 1/2
You must show your working and state clearly whether the answer is A or b

Respuesta :

devishri1977
devishri1977 devishri1977
  • 30-05-2020

Answer:

Step-by-step explanation:

[tex]\frac{2}{7}+\frac{1}{4}[/tex]

LCD = 28

[tex]\frac{2}{7}+\frac{1}{4}=\frac{2*4+1*7}{28}\\\\=\frac{8+7}{28}\\\\=\frac{15}{28}\\[/tex]

= 0.535  {Round off to tenth}

= 0.5

[tex]\frac{5}{6}+\frac{1}{4}=\frac{5*4-1*6}{24}\\\\=\frac{20-6}{24}\\\\=\frac{14}{24}\\\\=\frac{7}{12}\\[/tex]

= 0.583 {Round off to tenth}

= 0.6

So 2/7 +1/4 is closer to 1/2

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