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Subtract. \newline25−210=\frac{2}{5} - \frac{2}{10} = ____ \newlineUse the model to help you.

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Add and subtract fractions with unlike denominatorsright chevron icon

Full solution

Q. Subtract. \newline25−210=\frac{2}{5} - \frac{2}{10} = ____ \newlineUse the model to help you.
  1. Find Common Denominator: Find a common denominator for the fractions 25\frac{2}{5} and 210\frac{2}{10}. The common denominator here is 1010.\newlineCalculation: 25=(2×2)(5×2)=410\frac{2}{5} = \frac{(2\times2)}{(5\times2)} = \frac{4}{10}
  2. Subtract Fractions: Now subtract the two fractions.\newlineCalculation: 410−210=210\frac{4}{10} - \frac{2}{10} = \frac{2}{10}
  3. Simplify Result: Simplify the result.\newlineCalculation: 210\frac{2}{10} can be simplified to 15\frac{1}{5} by dividing both the numerator and the denominator by 22.

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