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Subtract.\newline710−12=\frac{7}{10} - \frac{1}{2} = _____

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Full solution

Q. Subtract.\newline710−12=\frac{7}{10} - \frac{1}{2} = _____
  1. Convert to fraction: Convert 12\frac{1}{2} to a fraction with a denominator of 1010 to match the denominator of 710\frac{7}{10}.\newline12=510\frac{1}{2} = \frac{5}{10} because 1×5=51 \times 5 = 5 and 2×5=102 \times 5 = 10.
  2. Subtract fractions: Subtract 510\frac{5}{10} from 710\frac{7}{10}.\newline710−510=(7−5)10\frac{7}{10} - \frac{5}{10} = \frac{(7-5)}{10}\newline710−510=210\frac{7}{10} - \frac{5}{10} = \frac{2}{10}
  3. Simplify fraction: Simplify 2/102/10. 2/102/10 can be simplified by dividing both the numerator and the denominator by their greatest common divisor, which is 22. 2/10=(2/2)/(10/2)2/10 = (2/2)/(10/2) 2/10=1/52/10 = 1/5

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