laytheavocadoe laytheavocadoe

21-08-2020
Mathematics

contestada

-2/3 + 4/5 + 5/8 Please help me :/

Respuesta :

sqdancefan sqdancefan

25-08-2020

Answer:

91/120

Step-by-step explanation:

It might be convenient to use the form ...

(a/b) +(c/d) = (ad +bc)/(bd)

__

-2/3 +4/5 +5/8 = (-2/3 +4/5) +5/8

= (-10 +12)/15 +5/8

= 2/15 +5/8

= (16 +75)/120

= 91/120

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