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Subtract.\newline710−45=\frac{7}{10} - \frac{4}{5} = _____

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Full solution

Q. Subtract.\newline710−45=\frac{7}{10} - \frac{4}{5} = _____
  1. Find Common Denominator: Find a common denominator for 710\frac{7}{10} and 45\frac{4}{5}. The least common denominator (LCD) for 1010 and 55 is 1010. We need to convert 45\frac{4}{5} to a fraction with a denominator of 1010 to subtract it from 710\frac{7}{10}. 45=(4×2)(5×2)=810\frac{4}{5} = \frac{(4\times2)}{(5\times2)} = \frac{8}{10}
  2. Convert Second Fraction: Subtract the two fractions with the common denominator.\newlineNow that both fractions have the same denominator, we can subtract their numerators.\newline710−810=7−810=−110\frac{7}{10} - \frac{8}{10} = \frac{7-8}{10} = \frac{-1}{10}
  3. Subtract Fractions: Simplify the result, if necessary.\newlineThe fraction −110-\frac{1}{10} is already in its simplest form, so no further simplification is needed.

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