Breuken optellen (reeks 1)

Hoofdmenu Eentje per keer  🖨

Tel de breuken op

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

---

Tel de breuken op

Verbetersleutel

1. \(\frac{8}{7}+\frac{3}{10}\\=\frac{80}{70}+\frac{21}{70}\\=\frac{80+21}{70}\\=\frac{101}{70}\)
2. \(\frac{10}{3}+\frac{3}{2}\\=\frac{20}{6}+\frac{9}{6}\\=\frac{20+9}{6}\\=\frac{29}{6}\)
3. \(\frac{9}{4}+\frac{5}{4}\\=\frac{9+5}{4}\\=\frac{14}{4}\\=\frac{7}{2}\)
4. \(\frac{7}{8}+\frac{2}{9}\\=\frac{63}{72}+\frac{16}{72}\\=\frac{63+16}{72}\\=\frac{79}{72}\)
5. \(\frac{8}{3}+\frac{4}{9}\\=\frac{24}{9}+\frac{4}{9}\\=\frac{24+4}{9}\\=\frac{28}{9}\)
6. \(\frac{5}{3}+\frac{5}{9}\\=\frac{15}{9}+\frac{5}{9}\\=\frac{15+5}{9}\\=\frac{20}{9}\)
7. \(\frac{9}{7}+\frac{9}{7}\\=\frac{9+9}{7}\\=\frac{18}{7}\)
8. \(\frac{5}{2}+\frac{6}{5}\\=\frac{25}{10}+\frac{12}{10}\\=\frac{25+12}{10}\\=\frac{37}{10}\)
9. \(\frac{3}{2}+\frac{6}{11}\\=\frac{33}{22}+\frac{12}{22}\\=\frac{33+12}{22}\\=\frac{45}{22}\)
10. \(\frac{9}{8}+\frac{4}{7}\\=\frac{63}{56}+\frac{32}{56}\\=\frac{63+32}{56}\\=\frac{95}{56}\)
11. \(\frac{9}{2}+\frac{8}{11}\\=\frac{99}{22}+\frac{16}{22}\\=\frac{99+16}{22}\\=\frac{115}{22}\)
12. \(\frac{9}{2}+\frac{2}{3}\\=\frac{27}{6}+\frac{4}{6}\\=\frac{27+4}{6}\\=\frac{31}{6}\)