Respuesta: 1/7 + 1/8 = 8/56 + 6/56 = 14/56 = 7/28,
7/13 + 5/10 = 70/130 + 65/130 = 1 1/26 y
7/5 - 1/3 = 21/15 - 5/15 = 16/15 = 1 1/15
Explicación paso a paso:
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Verified answer
Respuesta: 1/7 + 1/8 = 8/56 + 6/56 = 14/56 = 7/28,
7/13 + 5/10 = 70/130 + 65/130 = 1 1/26 y
7/5 - 1/3 = 21/15 - 5/15 = 16/15 = 1 1/15
Explicación paso a paso: