# Important questions for rational Numbers Class 8 CBSE

In this page we have Important questions for rational Numbers Class 8 CBSE . Hope you like them and do not forget to like , social share and comment at the end of the page.
Question 1
• $$\frac {-1}{17} \times \frac {5}{16} + \frac {5}{16} \times \frac {3}{20}$$
• $$\frac {-1}{3} \times \frac {1}{13} + \frac {1}{13} \times \frac {1}{3 }$$
• $$\frac {4}{19} \times \frac {1}{8} + \frac {1}{8} \times \frac {2}{13 }$$
• $$\frac {-1}{3} \times \frac {1}{19} + \frac {1}{19} \times \frac {1}{17 }$$
• $$\frac {-2}{11} \times \frac {5}{16} + \frac {5}{16} \times \frac {1}{8 }$$
• $$\frac {1}{13} \times \frac {1}{11} + \frac {1}{11} \times \frac {1}{17 }$$
• $$\frac {1}{3} \times \frac {1}{2} + \frac {1}{2} \times \frac {3}{13 }$$
• $$\frac {1}{19} \times \frac {1}{6} + \frac {1}{6} \times \frac {1}{18 }$$
• $$\frac {5}{9} \times \frac {1}{6} + \frac {1}{6} \times \frac {2}{15 }$$
• $$\frac {-2}{5} \times \frac {1}{12} + \frac {1}{12} \times \frac {5}{6 }$$
• $$\frac {1}{6} \times \frac {5}{18} + \frac {5}{18} \times \frac {1}{4 }$$
• $$\frac {-1}{10} \times \frac {1}{18} + \frac {1}{18} \times \frac {2}{15 }$$
• $$\frac {2}{5} \times \frac {1}{13} + \frac {1}{13} \times \frac {1}{4 }$$
• $$\frac {-1}{8} \times \frac {3}{10} + \frac {3}{10} \times \frac {3}{19 }$$
• $$\frac {3}{20} \times \frac {2}{13} + \frac {2}{13} \times \frac {2}{17 }$$
• $$\frac {5}{11} \times \frac {3}{17} + \frac {3}{17} \times \frac {1}{3 }$$
• $$\frac {1}{19} \times \frac {4}{19} + \frac {4}{19} \times \frac {4}{11 }$$
• $$\frac {-1}{10} \times \frac {1}{4} + \frac {1}{4} \times \frac {2}{7 }$$
• $$\frac {-1}{10} \times \frac {5}{19} + \frac {5}{19} \times \frac {5}{11 }$$

Question 2
Fill in the blanks
• $$\frac {1}{4} - ....... = \frac {-1}{36}$$
• $$...... - \frac {1}{18 } = \frac {23}{72}$$
• $$\frac {2}{7} - \frac {2}{15 } = .........$$
• $$\frac {4}{15} - \frac {1}{13 } = ........$$
• $$\frac {1}{12} + \frac {1}{8 } = ........$$
• $$\frac {1}{16} + ....... = \frac {5}{16}$$
• $$\frac {1}{4} - \frac {5}{16 } = ......$$
• $$\frac {2}{7} - ........ = \frac {-1}{119}$$
• $$........ - \frac { 1}{5 } = \frac {3}{85}$$
• $$\frac {2}{19} - \frac {2}{15 } =........$$

Question 2
Evalute below expression
• $$\frac {5}{16} - \frac {1}{5 }$$
• $$\frac {5}{11} \times \frac {1}{2 }$$
• $$\frac {4}{11} \times \frac {4}{11 }$$
• $$\frac {5}{14} \times \frac {1}{4 }$$
• $$\frac {1}{15} \times \frac {1}{3 }$$
• $$\frac {5}{6} \div \frac {1}{6}$$
• $$\frac {1}{5} \times \frac {3}{8 }$$
• $$\frac {1}{12} \times \frac {3}{19 }$$
• $$\frac { 5}{64} \div \frac {1}{4 }$$
• $$\frac {4}{9} \times \frac {2}{7 }$$