Breuken aftrekken (reeks 1)

Hoofdmenu Eentje per keer  🖨

Trek de breuken af

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

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Trek de breuken af

Verbetersleutel

1. \(\frac{8}{3}-\frac{2}{3}\\=\frac{8-2}{3}\\=\frac{6}{3}\\=2\)
2. \(\frac{5}{2}-\frac{3}{8}\\=\frac{20}{8}-\frac{3}{8}\\=\frac{20-3}{8}\\=\frac{17}{8}\)
3. \(\frac{9}{4}-\frac{6}{7}\\=\frac{63}{28}-\frac{24}{28}\\=\frac{63-24}{28}\\=\frac{39}{28}\)
4. \(\frac{8}{7}-\frac{8}{11}\\=\frac{88}{77}-\frac{56}{77}\\=\frac{88-56}{77}\\=\frac{32}{77}\)
5. \(\frac{3}{2}-\frac{4}{7}\\=\frac{21}{14}-\frac{8}{14}\\=\frac{21-8}{14}\\=\frac{13}{14}\)
6. \(\frac{5}{4}-\frac{6}{5}\\=\frac{25}{20}-\frac{24}{20}\\=\frac{25-24}{20}\\=\frac{1}{20}\)
7. \(\frac{10}{3}-\frac{5}{11}\\=\frac{110}{33}-\frac{15}{33}\\=\frac{110-15}{33}\\=\frac{95}{33}\)
8. \(\frac{6}{5}-\frac{3}{10}\\=\frac{12}{10}-\frac{3}{10}\\=\frac{12-3}{10}\\=\frac{9}{10}\)
9. \(\frac{9}{2}-\frac{8}{9}\\=\frac{81}{18}-\frac{16}{18}\\=\frac{81-16}{18}\\=\frac{65}{18}\)
10. \(\frac{10}{3}-\frac{2}{11}\\=\frac{110}{33}-\frac{6}{33}\\=\frac{110-6}{33}\\=\frac{104}{33}\)
11. \(\frac{3}{2}-\frac{6}{5}\\=\frac{15}{10}-\frac{12}{10}\\=\frac{15-12}{10}\\=\frac{3}{10}\)
12. \(\frac{8}{5}-\frac{6}{5}\\=\frac{8-6}{5}\\=\frac{2}{5}\)