1.

3 upon 8 + minus 5 upon 12 +3 upon 7 + 3 upon 13 + 5 upon 8 plus minus 2 upon 7

Answer»

Answer:

23

Step-by-step explanation:

GIVEN :

\frac{3}{8}+\left ( \frac{-5}{12} \right )+\frac{3}{7}+\frac{3}{12}+\left ( \frac{-5}{8} \right )+\left ( \frac{-2}{7} \right )

8

3

+(

12

−5

)+

7

3

+

12

3

+(

8

−5

)+(

7

−2

)

solving we get

\begin{gathered}\frac{3}{8}+\left ( \frac{-5}{12} \right )+\frac{3}{7}+\frac{3}{12}+\left ( \frac{-5}{8} \right )+\left ( \frac{-2}{7} \right )\\\\\left ( \frac{3}{8}- \frac{5}{8} \right )+\left ( \frac{3}{12}- \frac{5}{12}\right )+\left ( \frac{3}{7}-\frac{2}{7} \right )\\\\\frac{-2}{8}+\left ( \frac{-2}{12} \right )+\frac{1}{7}\\\\\frac{-2}{8}-\frac{2}{12}+\frac{1}{7}\\\\\frac{-1}{4}-\frac{1}{6}+\frac{1}{7}\\\\\frac{-21-14+12}{84}\\\\\frac{-35+12}{84}\\\\\frac{-23}{84}\END{gathered}

8

3

+(

12

−5

)+

7

3

+

12

3

+(

8

−5

)+(

7

−2

)

(

8

3

8

5

)+(

12

3

12

5

)+(

7

3

7

2

)

8

−2

+(

12

−2

)+

7

1

8

−2

12

2

+

7

1

4

−1

6

1

+

7

1

84

−21−14+12

84

−35+12

84

−23



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