Respuesta:
Fracción -1/5
[tex] \frac{3 \times 5}{7 \times 5} - \frac{1 \times 7}{5 \times 7} [/tex]
[tex] \frac{15}{35} - \frac{7}{35} [/tex]
[tex] \frac{15 - 7}{35} = \frac{8}{35} [/tex]
Fracción+2/3
[tex] \frac{3 \times 3}{7 \times 3} + \frac{2 \times 7}{3 \times 7} [/tex]
[tex] \frac{9}{21} + \frac{14}{21} [/tex]
[tex] \frac{9 + 14}{21} = \frac{23}{21} [/tex]
[tex] \frac{2 \times 5}{9 \times 5} - \frac{1 \times 9}{5 \times 9} [/tex]
[tex] \frac{10}{45} - \frac{9}{45} [/tex]
[tex] \frac{10 - 9}{45} = \frac{1}{45} [/tex]
Fracción +2/3
[tex] \frac{2}{9} + \frac{2 \times 3}{3 \times 3} [/tex]
[tex] \frac{2}{9} + \frac{6}{9} [/tex]
[tex] \frac{2 + 6}{9} = \frac{8}{9} [/tex]
.....
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Verified answer
Respuesta:
3/7
Fracción -1/5
[tex] \frac{3 \times 5}{7 \times 5} - \frac{1 \times 7}{5 \times 7} [/tex]
[tex] \frac{15}{35} - \frac{7}{35} [/tex]
[tex] \frac{15 - 7}{35} = \frac{8}{35} [/tex]
Fracción+2/3
[tex] \frac{3 \times 3}{7 \times 3} + \frac{2 \times 7}{3 \times 7} [/tex]
[tex] \frac{9}{21} + \frac{14}{21} [/tex]
[tex] \frac{9 + 14}{21} = \frac{23}{21} [/tex]
2/9
Fracción -1/5
[tex] \frac{2 \times 5}{9 \times 5} - \frac{1 \times 9}{5 \times 9} [/tex]
[tex] \frac{10}{45} - \frac{9}{45} [/tex]
[tex] \frac{10 - 9}{45} = \frac{1}{45} [/tex]
Fracción +2/3
[tex] \frac{2}{9} + \frac{2 \times 3}{3 \times 3} [/tex]
[tex] \frac{2}{9} + \frac{6}{9} [/tex]
[tex] \frac{2 + 6}{9} = \frac{8}{9} [/tex]
.....