Math, asked by devendersingh84, 26 days ago

please help everyone gives unusual answers no-one helps me ​

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Answers

Answered by Athul4152
3

(a) =

(a) =  \frac{2 }{5}  +  \frac{7}{3}  -  \frac{4}{5}  -  \frac{1}{3}  \\  \\  =  \frac{ - 2}{5}  +  \frac{6}{3}  \:  \:  \:  \:  \:  \:  \:  \:  \\   \\ =  \frac{ - 2}{5}  +  \frac{10 }{5}  \:  \:  \:  \:  \:   \\  \\ =   \frac{ - 8}{5}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:

(b) =  \frac{3}{7}  -  \frac{11}{7}  -  \frac{4}{9}  +  \frac{7}{9}  \\  \\  =   \frac{ - 8}{7}   +  \frac{3}{9}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\  =  \frac{ - 8}{7}  +  \frac{1}{3}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\  =  \frac{ - 17}{21}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:

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