Question

1. Evaluate the following: - a) 13/18+5/12

b) 7/15−2/3

c)−7/8− −5/8

d) 1 ÷ −1/2

e) 5/7× (−14/25 ) ×15/8




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Answer 1

Answer:

a=41/36

b=-3/15=-1/5

c=-2/8=-1/3

d=-2

e=-1

Answer 2

Answer:

A) 41/36 , 1/5/36

B) -1/5

C) -1/4

D) -2

E) -3/4

Step-by-step explanation:

A) 13/18 + 5/12 = 26/36 + 15/36

                        = 41/36 , 1/5/36

B) 7/15 - 2/3 = 7/15 - 10/15

                    = -3/15

                    = -1/5

C) -7/8- -5/8 = -2/8

                    = -1/4

D) 1 ÷ -1/2 = 1 x 2/-1

                = -2/1

                = -2

E) 5/7 x (-14/25 ) x 15/8 = 1/1 x -1/1 x 3/4

                                      = -3/4