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Subtract. $\newline$ $\frac{3}{10} - \frac{1}{5} =$ _____

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Add and subtract rational numbers

Full solution

Q. Subtract.

\newline

\frac{3}{10} - \frac{1}{5} =

_____

Convert Fractions: Convert the fractions to have a common denominator. $\newline$ $\frac{3}{10} - \frac{1}{5}$ $\newline$ Since the least common denominator for $10$ and $5$ is $10$ , we need to convert $\frac{1}{5}$ to a fraction with a denominator of $10$ . $\newline$ $\frac{1}{5} = \frac{(1\times2)}{(5\times2)} = \frac{2}{10}$ $\newline$ Now we can rewrite the subtraction as: $\newline$ $\frac{3}{10} - \frac{2}{10}$
Subtract Numerators: Subtract the numerators and keep the common denominator. $\newline$ $\frac{3}{10} - \frac{2}{10} = \frac{(3-2)}{10}$ $\newline$ $3-2 = 1$ $\newline$ So the subtraction gives us: $\newline$ $\frac{1}{10}$

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