Question

$\frac{3}{5} - \frac{2}{7} =$


$\frac{8}{10} - \frac{1}{5} =$



$\frac{5}{6} - \frac{2}{3} =$


$\frac{4}{3} - \frac{1}{2} =$
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Answer 1

Resposta:

○ $\frac{3}{5} -\frac{2}{7}$ ➳ $\frac{3.7 - 2.5}{5.7}$ ➳ $\frac{21 - 10}{35}$ ➳ $\frac{11}{35}$

○ $\frac{8}{10} -\frac{1}{5}$ ➳ $\frac{8.5-1.10}{10.5}$ ➳ $\frac{40 - 10}{50}$ ➳ $\frac{30}{50}$ ➳ $\frac{30^{:5} }{50^{:5} }$ ➳ $\frac{6}{10}$ ➳ $\frac{6^{:2} }{10^{:2} }$ ➳ $\frac{3}{5}$

○ $\frac{5}{6} -\frac{2}{3}$ ➳ $\frac{5.3-2.6}{6.3}$ ➳ $\frac{15-12}{18}$ ➳ $\frac{3}{18}$ ➳ $\frac{3^{:3} }{18^{:3} }$ ➳ $\frac{1}{6}$

○ $\frac{4}{3} -\frac{1}{2}$ ➳ $\frac{4.2-1.3}{3.2}$ ➳ $\frac{8-3}{6}$ ➳ $\frac{5}{6}$