Math, asked by kulkarniumesh7, 9 months ago

3/7 + (-6/11)+(-8/21)+5/22​

Answers

Answered by Anonymous
0

 \frac{3}{7}  +  \frac{( - 6)}{11}  +  \frac{( - 8)}{21}  +  \frac{5}{22}

LCM of 7, 11, 21 and 22 = 462

 =  \frac{(3 \times 66) + ( - 6 \times 42) + ( - 8 \times 22) + (5 \times 21)}{462}

 =  \frac{198 + ( - 252) + ( - 166) + 105}{462}

 =  \frac{303 + ( - 418)}{462}

 =  \frac{ - 115}{462}

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Answered by InfiniteSoul
3

\sf{\underline{\underline{\huge{\mathbb{SOLUTION}}}}}

:\sf\longrightarrow\dfrac{3}{7} + (\dfrac{-6}{11}) + (\dfrac{-8}{21}) + \dfrac{5}{22}

:\sf\longrightarrow\dfrac{3}{7} - \dfrac{6}{11} - \dfrac{8}{21}+ \dfrac{5}{22}

\sf : \longrightarrow\dfrac{3×66- 6×42- 8×22+5×21}{462}

:\sf\longrightarrow \dfrac{198 -  252 - 166 + 105}{462}

:\sf\longrightarrow \dfrac{303  - 418}{462}

:\sf\longrightarrow \dfrac{ - 115}{462}

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