Seudónimo Seudónimo
  • 01-02-2016
  • Mathematics
contestada

What is the sum of 2/5 and 2/4?
a. 9/10
b. 6/7
c. 10/20
d. 8/20

Respuesta :

flaviasweet67
flaviasweet67 flaviasweet67
  • 01-02-2016
the sum is:
2/5+2/4=
2/5+2/4÷20=
8+10/20
=18/20
9/10
hope u found it useful
Answer Link
unicorn3125
unicorn3125 unicorn3125
  • 01-02-2016
[tex] \frac{2}{5} + \frac{2}{4}=\frac{2\cdot4}{5\cdot4} + \frac{2\cdot5}{4\cdot5}=\frac{8}{20} + \frac{10}{20}= \frac{8+10}{20}=\frac{18}{20}=\frac{9\cdot2}{10\cdot2}=\frac{9}{10} [/tex]
Answer Link

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