(7)/(10)+(2)/(10)-(8)/(10)

Identify common denominator: Identify the common denominator. All fractions have the same denominator, which is 10. This means we can directly add and subtract the numerators.Add and subtract numerators: Add and subtract the numerators. (7/10) + (2/10) - (8/10) = (7 + 2 - 8)/10Perform arithmetic operations: Perform the arithmetic operations on the numerators. 7 + 2 - 8 = 9 - 8 = 1Write result as fraction: Write the result as a fraction with the common denominator. (7 + 2 - 8)/10 = 1/10Check for errors: Check the result for any mathematical errors. The addition and subtraction of the numerators were done correctly, and the common denominator was kept the same. No mathematical errors are present.

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$\frac{7}{10}+\frac{2}{10}-\frac{8}{10}$

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Algebra 1

Multiplication with rational exponents

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\frac{7}{10}+\frac{2}{10}-\frac{8}{10}

Identify common denominator: Identify the common denominator. $\newline$ All fractions have the same denominator, which is $10$ . This means we can directly add and subtract the numerators.
Add and subtract numerators: Add and subtract the numerators. $\newline$ $(\frac{7}{10}) + (\frac{2}{10}) - (\frac{8}{10}) = \frac{7 + 2 - 8}{10}$
Perform arithmetic operations: Perform the arithmetic operations on the numerators. $7 + 2 - 8 = 9 - 8 = 1$
Write result as fraction: Write the result as a fraction with the common denominator. $\newline$ $(7 + 2 - 8)/10 = 1/10$
Check for errors: Check the result for any mathematical errors. $\newline$ The addition and subtraction of the numerators were done correctly, and the common denominator was kept the same. No mathematical errors are present.