Breuken aftrekken (reeks 1)

Hoofdmenu Eentje per keer  🖨

Trek de breuken af

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

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Trek de breuken af

Verbetersleutel

1. \(\frac{7}{3}-\frac{10}{7}\\=\frac{49}{21}-\frac{30}{21}\\=\frac{49-30}{21}\\=\frac{19}{21}\)
2. \(\frac{10}{11}-\frac{3}{4}\\=\frac{40}{44}-\frac{33}{44}\\=\frac{40-33}{44}\\=\frac{7}{44}\)
3. \(\frac{8}{7}-\frac{2}{3}\\=\frac{24}{21}-\frac{14}{21}\\=\frac{24-14}{21}\\=\frac{10}{21}\)
4. \(\frac{6}{11}-\frac{2}{7}\\=\frac{42}{77}-\frac{22}{77}\\=\frac{42-22}{77}\\=\frac{20}{77}\)
5. \(\frac{5}{6}-\frac{9}{11}\\=\frac{55}{66}-\frac{54}{66}\\=\frac{55-54}{66}\\=\frac{1}{66}\)
6. \(\frac{6}{5}-\frac{10}{11}\\=\frac{66}{55}-\frac{50}{55}\\=\frac{66-50}{55}\\=\frac{16}{55}\)
7. \(\frac{9}{4}-\frac{6}{11}\\=\frac{99}{44}-\frac{24}{44}\\=\frac{99-24}{44}\\=\frac{75}{44}\)
8. \(\frac{10}{3}-\frac{7}{6}\\=\frac{20}{6}-\frac{7}{6}\\=\frac{20-7}{6}\\=\frac{13}{6}\)
9. \(\frac{6}{5}-\frac{8}{11}\\=\frac{66}{55}-\frac{40}{55}\\=\frac{66-40}{55}\\=\frac{26}{55}\)
10. \(\frac{3}{5}-\frac{5}{9}\\=\frac{27}{45}-\frac{25}{45}\\=\frac{27-25}{45}\\=\frac{2}{45}\)
11. \(\frac{8}{11}-\frac{2}{11}\\=\frac{8-2}{11}\\=\frac{6}{11}\)
12. \(\frac{5}{11}-\frac{2}{5}\\=\frac{25}{55}-\frac{22}{55}\\=\frac{25-22}{55}\\=\frac{3}{55}\)