Breuken aftrekken (reeks 1)

Hoofdmenu Eentje per keer  🖨

Trek de breuken af

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

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Trek de breuken af

Verbetersleutel

1. \(\frac{10}{3}-\frac{5}{9}\\=\frac{30}{9}-\frac{5}{9}\\=\frac{30-5}{9}\\=\frac{25}{9}\)
2. \(\frac{5}{3}-\frac{4}{3}\\=\frac{5-4}{3}\\=\frac{1}{3}\)
3. \(\frac{10}{3}-\frac{6}{11}\\=\frac{110}{33}-\frac{18}{33}\\=\frac{110-18}{33}\\=\frac{92}{33}\)
4. \(\frac{7}{3}-\frac{4}{7}\\=\frac{49}{21}-\frac{12}{21}\\=\frac{49-12}{21}\\=\frac{37}{21}\)
5. \(\frac{5}{4}-\frac{10}{11}\\=\frac{55}{44}-\frac{40}{44}\\=\frac{55-40}{44}\\=\frac{15}{44}\)
6. \(\frac{8}{3}-\frac{4}{3}\\=\frac{8-4}{3}\\=\frac{4}{3}\)
7. \(\frac{10}{7}-\frac{6}{7}\\=\frac{10-6}{7}\\=\frac{4}{7}\)
8. \(\frac{6}{7}-\frac{5}{8}\\=\frac{48}{56}-\frac{35}{56}\\=\frac{48-35}{56}\\=\frac{13}{56}\)
9. \(\frac{4}{9}-\frac{3}{8}\\=\frac{32}{72}-\frac{27}{72}\\=\frac{32-27}{72}\\=\frac{5}{72}\)
10. \(\frac{7}{5}-\frac{10}{9}\\=\frac{63}{45}-\frac{50}{45}\\=\frac{63-50}{45}\\=\frac{13}{45}\)
11. \(\frac{3}{4}-\frac{7}{10}\\=\frac{15}{20}-\frac{14}{20}\\=\frac{15-14}{20}\\=\frac{1}{20}\)
12. \(\frac{9}{2}-\frac{4}{7}\\=\frac{63}{14}-\frac{8}{14}\\=\frac{63-8}{14}\\=\frac{55}{14}\)