Mathematics for IGCSE & O level - Equations (Section 2 - No. 16)
Identify the errors that commonly occur when solving equations with fractions:
Failing to distribute to all terms when multiplying by the LCD.
Incorrectly applying the rules of fraction addition/subtraction.
Multiplying only the numerator and ignoring the denominator.
Inverting and multiplying when it is not necessary
Paliwanag
All these are common errors related to fraction calculations.