Question

efectuati a) 3/2 + 1/4 b) 1/6 + 4/3 c) 5/2 + (- 9/8) d) 3/8 + (- 1/4) e) (-7/3)+(-5/12) f)( -7/10) + (-1/2)

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Answer 1

a) = 6/4 + 1/4 = 7/4

b) = 1/6 + 8/6 = 9/6

c) = 20/8 - 9/8 = 11/8 

d) = 3/8 - 2/8 = 1/9

e) = - 28/12 - 5/12 = - 33/12 

f) = - 7/10 - 5/10 = - 12/10