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Eddie’s daughter wanted to decorate her room with her favorite color, white. Eddie had 15 2/5 cans of white paint stored in the garage. He used 7 4/5 cans to paint his daughter’s room. How much white paint did Eddie have left?
Write your answer as a fraction or as a whole or mixed number.
To find out how much white paint Eddie had left after painting his daughter’s room, we need to subtract the amount of paint he used from the total amount he had.
1. Convert the mixed numbers to improper fractions.
– For 15 2/5:
[
15 times 5 + 2 = 75 + 2 = 77 implies frac{77}{5}
]
– For 7 4/5:
[
7 times 5 + 4 = 35 + 4 = 39 implies frac{39}{5}
]
2. Subtract the amounts:
[
frac{77}{5} – frac{39}{5} = frac{77 – 39}{5} = frac{38}{5}
]
3. Convert the improper fraction back to a mixed number:
[
frac{38}{5} = 7 frac{3}{5}
]
So, Eddie had (7 frac{3}{5}) cans of white paint left.