what is -2 1/4 + 4/5
-4.45
\(-2\frac{1}{4}+\frac{4}{5}\rightarrow-\frac{9}{4}+\frac{4}{5}\rightarrow-\frac{45}{20}+\frac{16}{20}\rightarrow-\frac{29}{20}\rightarrow=-1\frac{9}{20}\)
.
