Question
Mrs Risa bought 4 kg of ginger. She roasted 1 kg 900 g of the ginger and boiled 1 kg 100 g of it. What fraction of the ginger she bought was left?
4 m

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Mrs Risa bought 4 kg of ginger. She roasted 1 kg 900 g of the ginger and boiled 1 kg 100 g of it. What fraction of the ginger she bought was left?