f)
[tex] - 3 \frac{3}{4} + 2.4 + ( - 5.25) + 3 \frac{3}{5} = - 3.75 + 2.4 - 5.25 + 3 \frac{6}{10} = - 1.35 - 5.25 + 3.6 = - 6.6 + 3.6 = - 3[/tex]
g)
[tex] - 2 \frac{1}{5} + 3.2 + 4 \frac{1}{4} + ( - 2.25) + ( - 5 \frac{3}{5} ) = - 2 \frac{2}{10} + 3.2 + 4.25 - 2.25 - 5 \frac{6}{10} = - 2.2 + 3.2 + 4.25 - 2.25 - 5.6 = 5.25 - 2.25 - 5.6 = 3 - 5.6 = - 2.6[/tex]