IGCSE /Grade 10
Maths MCQ Based On Adding and subtracting rational expressions
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IGCSE Grade 10 Maths Adding and subtracting rational expressions
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Look at denominators.
Inverse operation
To subtract the expressions, we can subtract the numerators and keep the denominator the same.
To simplify the expression, we first factor the numerator and denominator.
To add the expressions, we can simply add the numerators and keep the denominator the same.
The least common denominator of the two expressions is the product of the denominators of the two expressions.
Common denominators
Inverse operation
To subtract the expressions, we first need to find a common denominator. The common denominator is the least common multiple of the denominators \\(x+2\\) and \\(x−2.\\)
To add the expressions, we can simply add the numerators and keep the denominator the same
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