| \frac { 4 } { 7 } - \frac { 2 } { 7 }
Evaluate
\frac{2}{7}\approx 0.285714286
Factor
\frac{2}{7} = 0.2857142857142857
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|\frac{4-2}{7}|
Since \frac{4}{7} and \frac{2}{7} have the same denominator, subtract them by subtracting their numerators.
|\frac{2}{7}|
Subtract 2 from 4 to get 2.
\frac{2}{7}
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of \frac{2}{7} is \frac{2}{7}.
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