Question

2/3-5/6+1/12 

 

3/4+3/116-1/2

 

2/5 - 4/7 + 1/2

Answer 1

`@` `\text {Ans}`

`\downarrow`

\(\dfrac{2}{3}-\dfrac{5}{6}+\dfrac{1}{12}\)

`=`\(\dfrac{8}{12}-\dfrac{10}{12}+\dfrac{1}{12}\)

`=`\(-\dfrac{1}{12}\)

_____

\(\dfrac{3}{4}+\dfrac{3}{16}-\dfrac{1}{2}?\)

`=`\(\dfrac{12}{16}+\dfrac{3}{16}-\dfrac{8}{16}\)

`=`\(\dfrac{7}{16}\)

_____

\(\dfrac{2}{5}-\dfrac{4}{7}+\dfrac{1}{2}\)

`=`\(\dfrac{2}{5}+\dfrac{1}{2}-\dfrac{4}{7}\)

`=`\(\dfrac{4}{10}+\dfrac{5}{10}-\dfrac{4}{7}\)

`=`\(\dfrac{9}{10}-\dfrac{4}{7}\)

`=`\(\dfrac{63}{70}-\dfrac{40}{70}=\dfrac{23}{70}\)

Answer 2

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