Add and subtract rational numbers

Question 6: Do the calculation: \( \left( {\frac{5}{7} - \frac{7}{5}} \right) - \left[ {\frac{1}{2} - \left( { - …

Question 5: Do the calculation: \( \frac{{ - 1}}{{24}} - \left[ {\frac{1}{4} - \left( {\frac{1}{2} - \frac{7}{8}} \right)} …

Question 3: Do the calculation: \( \frac{{ - 1}}{{24}} - \left[ {\frac{1}{4} - \left( {\frac{1}{2} - \frac{7}{8}} \right)} …

Question 2: Do the calculation: \( \left( {\frac{{ - 1}}{3} + \frac{5}{6}} \right).11 - 7\) …

Question 1: Do the calculation: \(\frac{2}{3} - 4.\left( {\frac{1}{2} + \frac{3}{4}} \right)\) …

Question 1: Do the calculation: \( \left( {\frac{5}{7} - \frac{7}{5}} \right) - \left[ {\frac{1}{2} - \left( { - …

Question 50: Performing the calculation \(\frac{5}{6} + \frac{1}{4} \) we get the result: …

Câu 49: …

Question 48: Performing the calculation \(\frac{{ - 11}}{3} + \frac{1}{4}\) we get the result: …

Question 47: Performing the calculation \(\frac{7}{{15}} + \frac{1}{9} \) we get the result: …