Breuken aftrekken (reeks 1)

Hoofdmenu Eentje per keer  🖨

Trek de breuken af

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

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Trek de breuken af

Verbetersleutel

1. \(\frac{5}{4}-\frac{2}{11}\\=\frac{55}{44}-\frac{8}{44}\\=\frac{55-8}{44}\\=\frac{47}{44}\)
2. \(\frac{5}{2}-\frac{8}{7}\\=\frac{35}{14}-\frac{16}{14}\\=\frac{35-16}{14}\\=\frac{19}{14}\)
3. \(\frac{7}{2}-\frac{10}{7}\\=\frac{49}{14}-\frac{20}{14}\\=\frac{49-20}{14}\\=\frac{29}{14}\)
4. \(\frac{7}{2}-\frac{8}{11}\\=\frac{77}{22}-\frac{16}{22}\\=\frac{77-16}{22}\\=\frac{61}{22}\)
5. \(\frac{6}{5}-\frac{6}{11}\\=\frac{66}{55}-\frac{30}{55}\\=\frac{66-30}{55}\\=\frac{36}{55}\)
6. \(\frac{6}{5}-\frac{2}{5}\\=\frac{6-2}{5}\\=\frac{4}{5}\)
7. \(\frac{5}{11}-\frac{3}{11}\\=\frac{5-3}{11}\\=\frac{2}{11}\)
8. \(\frac{8}{7}-\frac{6}{11}\\=\frac{88}{77}-\frac{42}{77}\\=\frac{88-42}{77}\\=\frac{46}{77}\)
9. \(\frac{7}{2}-\frac{5}{3}\\=\frac{21}{6}-\frac{10}{6}\\=\frac{21-10}{6}\\=\frac{11}{6}\)
10. \(\frac{4}{3}-\frac{6}{5}\\=\frac{20}{15}-\frac{18}{15}\\=\frac{20-18}{15}\\=\frac{2}{15}\)
11. \(\frac{6}{5}-\frac{7}{11}\\=\frac{66}{55}-\frac{35}{55}\\=\frac{66-35}{55}\\=\frac{31}{55}\)
12. \(\frac{5}{4}-\frac{5}{11}\\=\frac{55}{44}-\frac{20}{44}\\=\frac{55-20}{44}\\=\frac{35}{44}\)