Respuesta:
1 :
[tex] \frac{77}{9} [/tex]
2 :
[tex] \frac{ 31}{35} [/tex]
........
5/3 × 3= 15/9+ 2/9=17/9
2/7 + 3/5= 2×5=10 3×7= 21 5×7= 35 10 + 21=31/35
No se si está bien
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Respuesta:
1 :
[tex] \frac{77}{9} [/tex]
2 :
[tex] \frac{ 31}{35} [/tex]
........
5/3 × 3= 15/9+ 2/9=17/9
2/7 + 3/5= 2×5=10 3×7= 21 5×7= 35 10 + 21=31/35
No se si está bien