Breuken aftrekken (reeks 1)

Hoofdmenu Eentje per keer  🖨

Trek de breuken af

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

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Trek de breuken af

Verbetersleutel

1. \(\frac{7}{4}-\frac{6}{11}\\=\frac{77}{44}-\frac{24}{44}\\=\frac{77-24}{44}\\=\frac{53}{44}\)
2. \(\frac{7}{8}-\frac{2}{5}\\=\frac{35}{40}-\frac{16}{40}\\=\frac{35-16}{40}\\=\frac{19}{40}\)
3. \(\frac{6}{5}-\frac{5}{11}\\=\frac{66}{55}-\frac{25}{55}\\=\frac{66-25}{55}\\=\frac{41}{55}\)
4. \(\frac{6}{5}-\frac{3}{10}\\=\frac{12}{10}-\frac{3}{10}\\=\frac{12-3}{10}\\=\frac{9}{10}\)
5. \(\frac{10}{7}-\frac{2}{3}\\=\frac{30}{21}-\frac{14}{21}\\=\frac{30-14}{21}\\=\frac{16}{21}\)
6. \(\frac{8}{9}-\frac{5}{11}\\=\frac{88}{99}-\frac{45}{99}\\=\frac{88-45}{99}\\=\frac{43}{99}\)
7. \(\frac{5}{2}-\frac{7}{8}\\=\frac{20}{8}-\frac{7}{8}\\=\frac{20-7}{8}\\=\frac{13}{8}\)
8. \(\frac{9}{10}-\frac{6}{11}\\=\frac{99}{110}-\frac{60}{110}\\=\frac{99-60}{110}\\=\frac{39}{110}\)
9. \(\frac{9}{10}-\frac{2}{3}\\=\frac{27}{30}-\frac{20}{30}\\=\frac{27-20}{30}\\=\frac{7}{30}\)
10. \(\frac{4}{11}-\frac{2}{9}\\=\frac{36}{99}-\frac{22}{99}\\=\frac{36-22}{99}\\=\frac{14}{99}\)
11. \(\frac{5}{2}-\frac{4}{5}\\=\frac{25}{10}-\frac{8}{10}\\=\frac{25-8}{10}\\=\frac{17}{10}\)
12. \(\frac{9}{8}-\frac{3}{10}\\=\frac{45}{40}-\frac{12}{40}\\=\frac{45-12}{40}\\=\frac{33}{40}\)