Sweetstuff004
Sweetstuff004 Sweetstuff004
  • 27-01-2016
  • Mathematics
contestada

convert each mixed number to an improper fraction and solve by subtracting use the LCD

convert each mixed number to an improper fraction and solve by subtracting use the LCD class=

Respuesta :

WorldCitizen WorldCitizen
  • 27-01-2016
To solve is:

[tex]1 \frac{1}{4} - 1 \frac{1}{5} [/tex]

making it into an improper fraction:

[tex] \frac{1+4}{4} - \frac{1+5}{5} [/tex]


[tex] \frac{5}{4} - \frac{6}{5} [/tex]

bringing to a common denominator (which is 20, since they have no factors in common)

[tex] \frac{5*5}{20} - \frac{6*4}{20} [/tex]


[tex] \frac{25}{20} - \frac{24}{20} [/tex]

the answer is then:
[tex]\frac{1}{20} [/tex]



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