kelseaballerini15 kelseaballerini15
  • 13-06-2015
  • Mathematics
contestada

how do you add 1/3 plus 4/10

Respuesta :

crisforp
crisforp crisforp
  • 13-06-2015
1 / 3 = ( 1 × 10 ) / ( 3 × 10 ) = 10 / 30 ;
4 / 10 = ( 4 × 3 ) / ( 10 × 3 ) = 12 / 30 ;
10 / 30 + 12 / 30 = ( 10 + 12 ) / 30 = 22 / 30 ;
22 / 30 = ( 22 ÷ 2 ) / ( 30 ÷ 2 ) = 11 / 15 ;
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