christina lost 1/10 of her marbles when she was on the playground. She lost 8/10 of her marbles while walking home. How many marbles did she lose altogether?

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Answer:

9/10

Step-by-step explanation:

She lost 1/10 and 8/10 marbles. When you add them up you get 9/10. There for, Christina lost 9/10 marbles altogether.

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