Breuken aftrekken (reeks 1)

Hoofdmenu Eentje per keer  🖨

Trek de breuken af

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

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Trek de breuken af

Verbetersleutel

1. \(\frac{8}{3}-\frac{10}{11}\\=\frac{88}{33}-\frac{30}{33}\\=\frac{88-30}{33}\\=\frac{58}{33}\)
2. \(\frac{6}{5}-\frac{3}{10}\\=\frac{12}{10}-\frac{3}{10}\\=\frac{12-3}{10}\\=\frac{9}{10}\)
3. \(\frac{5}{4}-\frac{7}{9}\\=\frac{45}{36}-\frac{28}{36}\\=\frac{45-28}{36}\\=\frac{17}{36}\)
4. \(\frac{5}{3}-\frac{10}{9}\\=\frac{15}{9}-\frac{10}{9}\\=\frac{15-10}{9}\\=\frac{5}{9}\)
5. \(\frac{2}{5}-\frac{3}{8}\\=\frac{16}{40}-\frac{15}{40}\\=\frac{16-15}{40}\\=\frac{1}{40}\)
6. \(\frac{4}{5}-\frac{3}{4}\\=\frac{16}{20}-\frac{15}{20}\\=\frac{16-15}{20}\\=\frac{1}{20}\)
7. \(\frac{2}{3}-\frac{2}{9}\\=\frac{6}{9}-\frac{2}{9}\\=\frac{6-2}{9}\\=\frac{4}{9}\)
8. \(\frac{5}{4}-\frac{8}{7}\\=\frac{35}{28}-\frac{32}{28}\\=\frac{35-32}{28}\\=\frac{3}{28}\)
9. \(\frac{9}{2}-\frac{4}{5}\\=\frac{45}{10}-\frac{8}{10}\\=\frac{45-8}{10}\\=\frac{37}{10}\)
10. \(\frac{4}{3}-\frac{3}{7}\\=\frac{28}{21}-\frac{9}{21}\\=\frac{28-9}{21}\\=\frac{19}{21}\)
11. \(\frac{10}{7}-\frac{5}{4}\\=\frac{40}{28}-\frac{35}{28}\\=\frac{40-35}{28}\\=\frac{5}{28}\)
12. \(\frac{9}{2}-\frac{5}{6}\\=\frac{27}{6}-\frac{5}{6}\\=\frac{27-5}{6}\\=\frac{22}{6}\\=\frac{11}{3}\)