This is the 14033rd most frequent Spanish word.
sustraer
To subtract or remove.
In this sentence, 'sustraer' is used in the sense of unlawfully taking something away, specifically stealing.
El ladrón intentó sustraer dinero de la caja fuerte del banco.
The thief tried to steal money from the bank's safe.
Here, 'sustraer' is employed to refer to the mathematical operation of subtraction.
El docente explicó cómo sustraer un número de otro en las operaciones matemáticas.
The teacher explained how to subtract one number from another in mathematical operations.
In this context, 'sustraer' means to separate or remove, used metaphorically.