Question

resolva as seguintes frações
2 + 2
3 3

2 + 1 + 3
4 4 4


2 - 1
4 2

5 - 1
8 8
​

Answer 1

explicação passo a passo

$a) \frac{2}{3} + \frac{2}{3} \\ \\ \frac{2}{3} + \frac{2}{3} \\ \\ \frac{2 + 2}{3} \\ \\ \frac{4}{3} \\ resposta \\ \red{ \frac{4}{3} } \\ \\ b) \frac{2}{4} + \frac{1}{4} + \frac{3}{4} \\ \\ \frac{2}{4} + \frac{1}{4} + \frac{3}{4} \\ \\ \frac{2 + 1 + 3}{4} \\ \\ 2 + 1 + 3 \\ 3 + 3 \\ 6 \\ \\ \frac{2 + 1 + 3}{4} \\ \\ \frac{6}{4} \\ \\ \frac{6 \div 2}{4 \div 2} \\ \\ \frac{3}{4 \div 2} \\ \\ \frac{6 \div 2}{4 \div 2} \\\\ \frac{3}{2} \\ \\ \frac{ \cancel6}{ \cancel4} \\ \\ \frac{3}{2} \\ resposta \\ \red{ \frac{3}{2}} \\ \\ c) \frac{2}{4} - \frac{1}{2} \\ \\ \frac{2}{4} - \frac{1}{2} \\\\ \frac{2}{4} \\\\ \frac{ 2\div 2}{4 \div 2} \\ \\ \frac{1}{4 \div 2} \\ \\ \frac{2 \div 2}{4 \div 2} \\ \\ \frac{1}{2} \\ \\ \frac{ \cancel2}{ \cancel4} - \frac{1}{2} \\ \\ \frac{1}{2} - \frac{1}{2} \\ \\ 0 \\resposta \\ \red{0} \\ \\ d) \frac{5}{8} - \frac{1}{8} \\ \\ \frac{5}{8} - \frac{1}{8} \\ \\ \frac{5 - 1}{8} \\ \\ \frac{4}{8}\\\\ \frac{4 \div 4}{8 \div 4} \\ \\ \frac{1}{8 \div 4} \\ \\ \frac{4 \div 4}{8 \div 4} \\ \\ \frac{1}{2} \\ \\ \frac{ \cancel4}{ \cancel8} \\ \\ \frac{1}{2} \\ resposta \\ \red{ \frac{1}{2}}$