Breuken aftrekken (reeks 1)

Hoofdmenu Eentje per keer  🖨

Trek de breuken af

1. \(\frac{8}{5}-\frac{3}{7}\)
2. \(\frac{6}{5}-\frac{2}{3}\)
3. \(\frac{6}{5}-\frac{2}{5}\)
4. \(\frac{10}{3}-\frac{4}{9}\)
5. \(\frac{9}{5}-\frac{3}{2}\)
6. \(\frac{8}{3}-\frac{9}{5}\)
7. \(\frac{9}{5}-\frac{4}{11}\)
8. \(\frac{8}{3}-\frac{4}{3}\)
9. \(\frac{2}{3}-\frac{6}{11}\)
10. \(\frac{4}{5}-\frac{4}{7}\)
11. \(\frac{7}{5}-\frac{2}{3}\)
12. \(\frac{4}{3}-\frac{4}{5}\)

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Trek de breuken af

Verbetersleutel

1. \(\frac{8}{5}-\frac{3}{7}\\=\frac{56}{35}-\frac{15}{35}\\=\frac{56-15}{35}\\=\frac{41}{35}\)
2. \(\frac{6}{5}-\frac{2}{3}\\=\frac{18}{15}-\frac{10}{15}\\=\frac{18-10}{15}\\=\frac{8}{15}\)
3. \(\frac{6}{5}-\frac{2}{5}\\=\frac{6-2}{5}\\=\frac{4}{5}\)
4. \(\frac{10}{3}-\frac{4}{9}\\=\frac{30}{9}-\frac{4}{9}\\=\frac{30-4}{9}\\=\frac{26}{9}\)
5. \(\frac{9}{5}-\frac{3}{2}\\=\frac{18}{10}-\frac{15}{10}\\=\frac{18-15}{10}\\=\frac{3}{10}\)
6. \(\frac{8}{3}-\frac{9}{5}\\=\frac{40}{15}-\frac{27}{15}\\=\frac{40-27}{15}\\=\frac{13}{15}\)
7. \(\frac{9}{5}-\frac{4}{11}\\=\frac{99}{55}-\frac{20}{55}\\=\frac{99-20}{55}\\=\frac{79}{55}\)
8. \(\frac{8}{3}-\frac{4}{3}\\=\frac{8-4}{3}\\=\frac{4}{3}\)
9. \(\frac{2}{3}-\frac{6}{11}\\=\frac{22}{33}-\frac{18}{33}\\=\frac{22-18}{33}\\=\frac{4}{33}\)
10. \(\frac{4}{5}-\frac{4}{7}\\=\frac{28}{35}-\frac{20}{35}\\=\frac{28-20}{35}\\=\frac{8}{35}\)
11. \(\frac{7}{5}-\frac{2}{3}\\=\frac{21}{15}-\frac{10}{15}\\=\frac{21-10}{15}\\=\frac{11}{15}\)
12. \(\frac{4}{3}-\frac{4}{5}\\=\frac{20}{15}-\frac{12}{15}\\=\frac{20-12}{15}\\=\frac{8}{15}\)