LCD — Grade 7 Accelerated, what it means and where it is taught
Least common denominator — the smallest number both denominators divide into.
Taught in Grade 7 Accelerated.
Where it is taught
Practise this idea
2 questions in the course bank use LCD, in Rational Expressions & Equations.
Problem 1
Solve x4+x6=5.
Worked answer
12
3x+2x=60
5x=60
x=12
Problem 2
Solve 1x+13=12.
Worked answer
6
6+2x=3x
x=6