Subtract.
-$\frac { 8 } { 9 } - \left( - \frac { 1 } { 81 } \right)$

Name: Subtract. -$\frac { 8 } { 9 } - \left( - \frac { 1 } { 81 } \right)$
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Question

Quizplus · Accepted Answer

To subtract fractions, they must have a common denominator. The common denominator for 9 and 81 is 81. Convert $\frac{8}{9}$ to $\frac{72}{81}$ so it has the same denominator as $\frac{1}{81}$. Then, subtracting a negative is the same as adding, so $\frac{72}{81} + \frac{1}{81} = \frac{73}{81}$.

Subtract - 89−(−181)\frac { 8 } { 9 } - \left( - \frac { 1 } { 81 } \right)98​−(−811​)

Subtract
- $\frac { 8 } { 9 } - \left( - \frac { 1 } { 81 } \right)$