Add. 3/10 + 2/5=_____

Identify common denominator: Identify a common denominator for 3/10 and 2/5. Both fractions can be expressed with a common denominator of 10, since 5 is a factor of 10. The fraction 2/5 needs to be converted to have the denominator of 10.Convert to denominator of 10: Convert 2/5 to a fraction with a denominator of 10. To do this, multiply both the numerator and the denominator by 2. 2/5 = (2*2)/(5*2) = 4/10Add fractions with common denominator: Add the two fractions with the common denominator. Now that both fractions have the same denominator, you can add the numerators together. 3/10 + 4/10 = (3+4)/10 = 7/10

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Add. $\newline$ $\frac{3}{10} + \frac{2}{5} =$ _____

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Algebra 1

Add and subtract rational numbers

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Q. Add.

\newline

\frac{3}{10} + \frac{2}{5} =

_____

Identify common denominator: Identify a common denominator for $\frac{3}{10}$ and $\frac{2}{5}$ . Both fractions can be expressed with a common denominator of $10$ , since $5$ is a factor of $10$ . The fraction $\frac{2}{5}$ needs to be converted to have the denominator of $10$ .
Convert to denominator of $10$ : Convert $\frac{2}{5}$ to a fraction with a denominator of $10$ . $\newline$ To do this, multiply both the numerator and the denominator by $2$ . $\newline$ $\frac{2}{5} = \frac{(2\times2)}{(5\times2)} = \frac{4}{10}$
Add fractions with common denominator: Add the two fractions with the common denominator. $\newline$ Now that both fractions have the same denominator, you can add the numerators together. $\newline$ $\frac{3}{10} + \frac{4}{10} = \frac{(3+4)}{10} = \frac{7}{10}$