Question
Mrs Zoe bought 4 kg of sweet potatoes. She roasted 2 kg 500 g of the sweet potatoes and boiled 1 kg 100 g of it. What fraction of the sweet potato she bought was left?
4 m

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Mrs Zoe bought 4 kg of sweet potatoes. She roasted 2 kg 500 g of the sweet potatoes and boiled 1 kg 100 g of it. What fraction of the sweet potato she bought was left?