Question

Answer last part please will give brainliest

Answer 1

Question:

To Find which of following sums is closer to $\frac{1}{2}$

• $\frac{2}{15}+\frac{1}{3}$

• $\frac{6}{7}-\frac{1}{3}$

Solution:

1st part of the question:

$\frac{2}{15}+\frac{1}{3}\\\\\\\textsf{LCM=15}\\\\\\\frac{2}{15}\times\frac{1}{1}+\frac{1}{3}\times \frac{5}{5}\\\\\\\frac{2}{15}+\frac{5}{15}\\\\\\\frac{2+5}{15}\\\\\\\frac{7}{15}$

2nd part of the question:

$\frac{6}{7}-\frac{1}{3}\\\\\\\textsf{LCM=21}\\\\\\\frac{6}{7}\times\frac{3}{3}-\frac{1}{3}\times\frac{7}{7}\\\\\\\frac{18}{21}- \frac{7}{21}\\\\\\\frac{18-7}{21}\\\\\\\frac{11}{21}$

Comparing both:

$\frac{7}{15}\\\\\\=\frac{1}{2.1}\\\\\\\frac{11}{21}\\\\\\=\frac{1}{1.9}$

Answer:

Therefore A is the correct option

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Answer 2

Answer:

B

Step-by-step explanation:

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