Respuesta :

itsvon
You have to find the common denominator which is 45. 4x9=36 5x9=45 which means 36 over 45. Then 8x5=40 9x5=45 which means 40 over 45. Add the numerators: 36+40= 76. So the answer is 76/45 and the decimal form is 1.68

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