Breuken aftrekken (reeks 1)

Hoofdmenu Eentje per keer  🖨

Trek de breuken af

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

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Trek de breuken af

Verbetersleutel

1. \(\frac{10}{7}-\frac{6}{5}\\=\frac{50}{35}-\frac{42}{35}\\=\frac{50-42}{35}\\=\frac{8}{35}\)
2. \(\frac{10}{9}-\frac{10}{9}\\=\frac{10-10}{9}\\=\frac{0}{9}\\=0\)
3. \(\frac{6}{7}-\frac{4}{9}\\=\frac{54}{63}-\frac{28}{63}\\=\frac{54-28}{63}\\=\frac{26}{63}\)
4. \(\frac{9}{7}-\frac{3}{7}\\=\frac{9-3}{7}\\=\frac{6}{7}\)
5. \(\frac{5}{7}-\frac{4}{7}\\=\frac{5-4}{7}\\=\frac{1}{7}\)
6. \(\frac{5}{11}-\frac{2}{11}\\=\frac{5-2}{11}\\=\frac{3}{11}\)
7. \(\frac{9}{5}-\frac{4}{5}\\=\frac{9-4}{5}\\=\frac{5}{5}\\=1\)
8. \(\frac{10}{3}-\frac{6}{5}\\=\frac{50}{15}-\frac{18}{15}\\=\frac{50-18}{15}\\=\frac{32}{15}\)
9. \(\frac{8}{9}-\frac{5}{6}\\=\frac{16}{18}-\frac{15}{18}\\=\frac{16-15}{18}\\=\frac{1}{18}\)
10. \(\frac{5}{2}-\frac{9}{4}\\=\frac{10}{4}-\frac{9}{4}\\=\frac{10-9}{4}\\=\frac{1}{4}\)
11. \(\frac{7}{9}-\frac{2}{5}\\=\frac{35}{45}-\frac{18}{45}\\=\frac{35-18}{45}\\=\frac{17}{45}\)
12. \(\frac{6}{5}-\frac{3}{8}\\=\frac{48}{40}-\frac{15}{40}\\=\frac{48-15}{40}\\=\frac{33}{40}\)