n7531716 n7531716
  • 17-11-2020
  • Spanish
contestada

the on you did 1 3/4 +1 7/8 is wrong

Respuesta :

zarampa
zarampa zarampa
  • 17-11-2020

Answer:

[tex]3 \frac{5}{8}[/tex]

Explanation:

1 3/4 = 1 + 3/4 = 4/4 + 3/4 = (4+3)/4 = 7/4

1 7/8 = 1 + 7/8 = 8/8 + 7/8 = (8+7)/8 = 15/8

then:

1 3/4 +1 7/8 = 7/4 + 15/8

7/4 = 14/8

then:

7/4 + 15/8 = 14/8 + 15/8 = (14+15)/8 = 29/8

29/8 = 24/8 + 5/8 = 3 + 5/8

= 3 5/8

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