Respuesta:
a) m.c.m de 7 y 5= 35 ⇒ 3/7 - 15/35, 2/5 - 14/35 ⇒ 35/35 - (15/35 + 14/35) = = 35/35 - 29/35 = 6/35
b) m.c.m 7 y 4 = 28 ⇒3/7 - 12/28, 1/4 - 7/28 ⇒ 28/28 - (12/28 + 7/28) =
= 28/28 - 19/28 = 9/28
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Verified answer
Respuesta:
a) m.c.m de 7 y 5= 35 ⇒ 3/7 - 15/35, 2/5 - 14/35 ⇒ 35/35 - (15/35 + 14/35) = = 35/35 - 29/35 = 6/35
b) m.c.m 7 y 4 = 28 ⇒3/7 - 12/28, 1/4 - 7/28 ⇒ 28/28 - (12/28 + 7/28) =
= 28/28 - 19/28 = 9/28