Respuesta :

Answer:

7/9 i believe

Step-by-step explanation:

because same denominator so 7-5 =2

Answer:

7/9 or 0.777

Step-by-step explanation:

you just have to switch over 5/9 so

r-5/9=2/9

Add 5/9 to both sides

r-5/9=2/9

+5/9    +5/9

r=7/9

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