Question

1st QUESTION = -12/5 + -7/20 + 3/14 + 1/ 7 + -1 /10 2nd QUESTION = (3/2 x 1/6) + (5/3 x 7/2) - (13/8 x 4/3)

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

1.

$\frac{-12}{5} + \frac{-7}{20} + \frac{3}{14} + \frac{1}{7} + \frac{-1}{10}$

Re-arranging,

= $\frac{-12}{5} + \frac{-7}{20} + \frac{-1}{10} + \frac{3}{14} + \frac{1}{7}$

= $\frac{-48 - 7 -2}{20} + \frac{3+2}{14}$

= $\frac{-57}{20} + \frac{5}{14}$

=  $\frac{-399 + 50}{140}$

=  $\frac{-349 }{140}$

2.

$(\frac{3}{2} * \frac{1}{6} ) + (\frac{5}{3} * \frac{7}{2} ) - (\frac{13}{8} * \frac{4}{3} )$

= $\frac{3}{12} + \frac{35}{6} - \frac{13}{6}$

= $\frac{3 + 70 - 26}{12}$

= $\frac{47}{12}$