Respuesta:
113 / 72
Explicación paso a paso:
5 / 12
= ( 5 / 12 ) x ( 6 / 6 )
= 30 / 72
7 / 8
= ( 7 / 8 ) x ( 9 / 9 )
= ( 7 x 9 ) / ( 8 x 9 )
= 63 / 72
1 / 6
= ( 1 / 6 ) x ( 12 / 12 )
= ( 1 x 12 ) / ( 6 x 12 )
= 12 / 72
4 / 9
= ( 4 / 9 ) x ( 8 / 8 )
= ( 4 x 8 ) / ( 8 x 9 )
= 32 / 72
( 5 / 12 ) + ( 7 / 8 ) - ( 1 / 6 ) + ( 4 / 9 )
= ( 30 / 72 ) + ( 63 / 72 ) - ( 12 / 72 ) + ( 32 / 72 )
= ( 30 + 63 - 12 + 32 ) / 72
= ( 30 + 63 + 32 - 12 ) / 72
= ( 30 + 63 + 20 ) / 72
= 113 / 72
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Respuesta:
113 / 72
Explicación paso a paso:
5 / 12
= ( 5 / 12 ) x ( 6 / 6 )
= 30 / 72
7 / 8
= ( 7 / 8 ) x ( 9 / 9 )
= ( 7 x 9 ) / ( 8 x 9 )
= 63 / 72
1 / 6
= ( 1 / 6 ) x ( 12 / 12 )
= ( 1 x 12 ) / ( 6 x 12 )
= 12 / 72
4 / 9
= ( 4 / 9 ) x ( 8 / 8 )
= ( 4 x 8 ) / ( 8 x 9 )
= 32 / 72
( 5 / 12 ) + ( 7 / 8 ) - ( 1 / 6 ) + ( 4 / 9 )
= ( 30 / 72 ) + ( 63 / 72 ) - ( 12 / 72 ) + ( 32 / 72 )
= ( 30 + 63 - 12 + 32 ) / 72
= ( 30 + 63 + 32 - 12 ) / 72
= ( 30 + 63 + 20 ) / 72
= 113 / 72