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Carrie started with 12 ounces of water when she began her walk. When she was finished walking she had 2 1/4 ounces of water left. How much did she drink?

Respuesta :

irspow
12-2 1/4   rule a b/c=(ac+b)/c

12-9/4  now we need a common denominator to add/subtract fractions...

(12/1)(4/4)-9/4

48/4-9/4

(48-9)/4

39/4  now switch back to a mixed number

(36+3)/4

9+3/4

9 3/4

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