Practice problem
What is 1721−1021\frac{17}{21}-\frac{10}{21}2117−2110? Reduce the answer if possible.
13\frac{1}{3}31
821\frac{8}{21}218
14\frac{1}{4}41
37\frac{3}{7}73
Type a concept, like “slope” or “photosynthesis”.
