Breuken optellen (reeks 1)

Hoofdmenu Eentje per keer  🖨

Tel de breuken op

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

---

Tel de breuken op

Verbetersleutel

1. \(\frac{5}{2}+\frac{5}{2}\\=\frac{5+5}{2}\\=\frac{10}{2}\\=5\)
2. \(\frac{7}{6}+\frac{2}{9}\\=\frac{21}{18}+\frac{4}{18}\\=\frac{21+4}{18}\\=\frac{25}{18}\)
3. \(\frac{10}{11}+\frac{4}{11}\\=\frac{10+4}{11}\\=\frac{14}{11}\)
4. \(\frac{4}{3}+\frac{8}{9}\\=\frac{12}{9}+\frac{8}{9}\\=\frac{12+8}{9}\\=\frac{20}{9}\)
5. \(\frac{9}{5}+\frac{3}{10}\\=\frac{18}{10}+\frac{3}{10}\\=\frac{18+3}{10}\\=\frac{21}{10}\)
6. \(\frac{4}{9}+\frac{2}{9}\\=\frac{4+2}{9}\\=\frac{6}{9}\\=\frac{2}{3}\)
7. \(\frac{3}{2}+\frac{8}{11}\\=\frac{33}{22}+\frac{16}{22}\\=\frac{33+16}{22}\\=\frac{49}{22}\)
8. \(\frac{8}{3}+\frac{7}{10}\\=\frac{80}{30}+\frac{21}{30}\\=\frac{80+21}{30}\\=\frac{101}{30}\)
9. \(\frac{7}{10}+\frac{2}{5}\\=\frac{7+2}{10}\\=\frac{9}{10}\)
10. \(\frac{7}{5}+\frac{10}{11}\\=\frac{77}{55}+\frac{50}{55}\\=\frac{77+50}{55}\\=\frac{127}{55}\)
11. \(\frac{10}{11}+\frac{10}{11}\\=\frac{10+10}{11}\\=\frac{20}{11}\)
12. \(\frac{3}{2}+\frac{4}{5}\\=\frac{15}{10}+\frac{8}{10}\\=\frac{15+8}{10}\\=\frac{23}{10}\)