What is the sum of −4/5 and 2/3?

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a) -22/15

b) -2/15

c) -1/2

d) 1/2

B

Step-by-step explanation:

-4/5 + 2/3

The LCM of the denominators = 15

= {-4(3) + 2(5)}/15

= (-12 + 10)/15

= -2/15

on friday there were 15 birds

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