Breuken aftrekken (reeks 1)

Hoofdmenu Eentje per keer  🖨

Trek de breuken af

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

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Trek de breuken af

Verbetersleutel

1. \(\frac{5}{3}-\frac{9}{10}\\=\frac{50}{30}-\frac{27}{30}\\=\frac{50-27}{30}\\=\frac{23}{30}\)
2. \(\frac{5}{11}-\frac{2}{5}\\=\frac{25}{55}-\frac{22}{55}\\=\frac{25-22}{55}\\=\frac{3}{55}\)
3. \(\frac{2}{5}-\frac{4}{11}\\=\frac{22}{55}-\frac{20}{55}\\=\frac{22-20}{55}\\=\frac{2}{55}\)
4. \(\frac{10}{11}-\frac{6}{11}\\=\frac{10-6}{11}\\=\frac{4}{11}\)
5. \(\frac{10}{11}-\frac{2}{3}\\=\frac{30}{33}-\frac{22}{33}\\=\frac{30-22}{33}\\=\frac{8}{33}\)
6. \(\frac{5}{3}-\frac{4}{7}\\=\frac{35}{21}-\frac{12}{21}\\=\frac{35-12}{21}\\=\frac{23}{21}\)
7. \(\frac{9}{10}-\frac{3}{11}\\=\frac{99}{110}-\frac{30}{110}\\=\frac{99-30}{110}\\=\frac{69}{110}\)
8. \(\frac{9}{10}-\frac{8}{11}\\=\frac{99}{110}-\frac{80}{110}\\=\frac{99-80}{110}\\=\frac{19}{110}\)
9. \(\frac{8}{7}-\frac{6}{7}\\=\frac{8-6}{7}\\=\frac{2}{7}\)
10. \(\frac{10}{7}-\frac{6}{5}\\=\frac{50}{35}-\frac{42}{35}\\=\frac{50-42}{35}\\=\frac{8}{35}\)
11. \(\frac{8}{7}-\frac{2}{7}\\=\frac{8-2}{7}\\=\frac{6}{7}\)
12. \(\frac{9}{8}-\frac{2}{9}\\=\frac{81}{72}-\frac{16}{72}\\=\frac{81-16}{72}\\=\frac{65}{72}\)