Breuken aftrekken (reeks 1)

Trek de breuken af

\(\frac{8}{3}-\frac{5}{7}\)

\(\frac{8}{3}-\frac{5}{7}\\=\frac{56}{21}-\frac{15}{21}\\=\frac{56-15}{21}\\=\frac{41}{21}\)