Breuken aftrekken (reeks 1)

Hoofdmenu Eentje per keer  🖨

Trek de breuken af

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

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Trek de breuken af

Verbetersleutel

1. \(\frac{5}{2}-\frac{8}{5}\\=\frac{25}{10}-\frac{16}{10}\\=\frac{25-16}{10}\\=\frac{9}{10}\)
2. \(\frac{10}{7}-\frac{6}{5}\\=\frac{50}{35}-\frac{42}{35}\\=\frac{50-42}{35}\\=\frac{8}{35}\)
3. \(\frac{6}{5}-\frac{5}{8}\\=\frac{48}{40}-\frac{25}{40}\\=\frac{48-25}{40}\\=\frac{23}{40}\)
4. \(\frac{7}{5}-\frac{3}{10}\\=\frac{14}{10}-\frac{3}{10}\\=\frac{14-3}{10}\\=\frac{11}{10}\)
5. \(\frac{4}{5}-\frac{8}{11}\\=\frac{44}{55}-\frac{40}{55}\\=\frac{44-40}{55}\\=\frac{4}{55}\)
6. \(\frac{4}{3}-\frac{9}{10}\\=\frac{40}{30}-\frac{27}{30}\\=\frac{40-27}{30}\\=\frac{13}{30}\)
7. \(\frac{7}{8}-\frac{3}{4}\\=\frac{7-3}{8}\\=\frac{4}{8}\\=\frac{1}{2}\)
8. \(\frac{8}{3}-\frac{5}{8}\\=\frac{64}{24}-\frac{15}{24}\\=\frac{64-15}{24}\\=\frac{49}{24}\)
9. \(\frac{5}{2}-\frac{5}{9}\\=\frac{45}{18}-\frac{10}{18}\\=\frac{45-10}{18}\\=\frac{35}{18}\)
10. \(\frac{9}{4}-\frac{7}{11}\\=\frac{99}{44}-\frac{28}{44}\\=\frac{99-28}{44}\\=\frac{71}{44}\)
11. \(\frac{8}{3}-\frac{3}{4}\\=\frac{32}{12}-\frac{9}{12}\\=\frac{32-9}{12}\\=\frac{23}{12}\)
12. \(\frac{10}{7}-\frac{4}{3}\\=\frac{30}{21}-\frac{28}{21}\\=\frac{30-28}{21}\\=\frac{2}{21}\)