Breuken optellen (reeks 1)

Hoofdmenu Eentje per keer  🖨

Tel de breuken op

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

---

Tel de breuken op

Verbetersleutel

1. \(\frac{6}{5}+\frac{8}{7}\\=\frac{42}{35}+\frac{40}{35}\\=\frac{42+40}{35}\\=\frac{82}{35}\)
2. \(\frac{2}{3}+\frac{2}{3}\\=\frac{2+2}{3}\\=\frac{4}{3}\)
3. \(\frac{9}{5}+\frac{8}{7}\\=\frac{63}{35}+\frac{40}{35}\\=\frac{63+40}{35}\\=\frac{103}{35}\)
4. \(\frac{6}{5}+\frac{3}{11}\\=\frac{66}{55}+\frac{15}{55}\\=\frac{66+15}{55}\\=\frac{81}{55}\)
5. \(\frac{8}{5}+\frac{2}{3}\\=\frac{24}{15}+\frac{10}{15}\\=\frac{24+10}{15}\\=\frac{34}{15}\)
6. \(\frac{6}{5}+\frac{2}{3}\\=\frac{18}{15}+\frac{10}{15}\\=\frac{18+10}{15}\\=\frac{28}{15}\)
7. \(\frac{10}{3}+\frac{8}{9}\\=\frac{30}{9}+\frac{8}{9}\\=\frac{30+8}{9}\\=\frac{38}{9}\)
8. \(\frac{2}{3}+\frac{3}{7}\\=\frac{14}{21}+\frac{9}{21}\\=\frac{14+9}{21}\\=\frac{23}{21}\)
9. \(\frac{3}{4}+\frac{6}{11}\\=\frac{33}{44}+\frac{24}{44}\\=\frac{33+24}{44}\\=\frac{57}{44}\)
10. \(\frac{9}{11}+\frac{4}{11}\\=\frac{9+4}{11}\\=\frac{13}{11}\)
11. \(\frac{9}{4}+\frac{7}{9}\\=\frac{81}{36}+\frac{28}{36}\\=\frac{81+28}{36}\\=\frac{109}{36}\)
12. \(\frac{8}{5}+\frac{8}{7}\\=\frac{56}{35}+\frac{40}{35}\\=\frac{56+40}{35}\\=\frac{96}{35}\)