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Sagot :
subtraction of ration can we provided by similar,mixed number and disimilar but we will subtract disimilar:
you will find the LCM and then you will subtract it and reduce
you will find the LCM and then you will subtract it and reduce
To subtract similar rational expression, change the sign of each term in the subtrahend, then proceed to addition rule by combining only the numerators then copy the denominator, since they are similar rational expressions meaning same denominator.
Example: 3x + 2 - 5x + 6
3y 3y
Change the sign of each term in subtrahend 5x + 6
3y
Becomes: 3x+2 + (-5x -6)
3y 3y
Combine like terms in denominator, then copy the denominator
3x-5x+2-6
3y
Final answer: -2x-4
3y
Example: 3x + 2 - 5x + 6
3y 3y
Change the sign of each term in subtrahend 5x + 6
3y
Becomes: 3x+2 + (-5x -6)
3y 3y
Combine like terms in denominator, then copy the denominator
3x-5x+2-6
3y
Final answer: -2x-4
3y
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