Barber Blake
03/17/2024 · High School
\( ( ( \frac { 2 } { 2 } \div \frac { 3 } { 3 } ) - 1 ) - ( ( \frac { 2 } { 7 } \div 1 ) - \frac { 5 } { 3 } ) \div ( \frac { 2 } { 7 } , 1 ) \)
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Tutor-Verified Answer
Step-by-step Solution
To simplify the expression
\[
( ( \frac { 2 } { 2 } \div \frac { 3 } { 3 } ) - 1 ) - ( ( \frac { 2 } { 7 } \div 1 ) - \frac { 5 } { 3 } ) \div ( \frac { 2 } { 7 } , 1 )
\]
we will break it down step by step.
1. **Calculate \( \frac{2}{2} \div \frac{3}{3} \)**:
\[
\frac{2}{2} = 1 \quad \text{and} \quad \frac{3}{3} = 1
\]
Thus,
\[
1 \div 1 = 1
\]
2. **Now calculate \( (1 - 1) \)**:
\[
1 - 1 = 0
\]
3. **Next, calculate \( \frac{2}{7} \div 1 \)**:
\[
\frac{2}{7} \div 1 = \frac{2}{7}
\]
4. **Now calculate \( \frac{2}{7} - \frac{5}{3} \)**:
To perform this subtraction, we need a common denominator. The least common multiple of 7 and 3 is 21.
\[
\frac{2}{7} = \frac{2 \times 3}{7 \times 3} = \frac{6}{21}
\]
\[
\frac{5}{3} = \frac{5 \times 7}{3 \times 7} = \frac{35}{21}
\]
Now we can subtract:
\[
\frac{6}{21} - \frac{35}{21} = \frac{6 - 35}{21} = \frac{-29}{21}
\]
5. **Now we have \( 0 - \left( \frac{-29}{21} \right) \div ( \frac{2}{7}, 1 ) \)**. The expression \( ( \frac{2}{7}, 1 ) \) is not clear, but if we assume it means just \( \frac{2}{7} \), we can proceed with that.
6. **Calculate \( \frac{-29}{21} \div \frac{2}{7} \)**:
Dividing by a fraction is the same as multiplying by its reciprocal:
\[
\frac{-29}{21} \div \frac{2}{7} = \frac{-29}{21} \times \frac{7}{2} = \frac{-29 \times 7}{21 \times 2} = \frac{-203}{42}
\]
7. **Now we have \( 0 - \frac{-203}{42} \)**:
\[
0 - \frac{-203}{42} = \frac{203}{42}
\]
Thus, the final result is
\[
\boxed{\frac{203}{42}}
\]
Quick Answer
The final result is \( \frac{203}{42} \).
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