a) $ -3.7; \frac{-13}{6}; \frac{-1}{5}; \frac{3}{7}; 1\frac{1}{2}; \frac{21}{11}.$
b) $2.45; 2\frac{1}{5}; \frac{17}{48}; 0; \frac{-3}{61}; \frac{-1}{10}.$
a) $ -3.7; \frac{-13}{6}; \frac{-1}{5}; \frac{3}{7}; 1\frac{1}{2}; \frac{21}{11}.$
b) $2.45; 2\frac{1}{5}; \frac{17}{48}; 0; \frac{-3}{61}; \frac{-1}{10}.$