Support your knowledge of this topic by looking at these guides on Lowest Common Multiple and equivalent fractions. Look at the examples below on how to add and subtract fractions and mixed numbers.

The answer may be simplified before calculation using the highest common factor (HCF). close highest common factor (HCF) The largest factor that will divide into the selected numbers. Eg, 10 is the ...

Few phrases make me cringe the way I do when I hear, “Ours is not to reason why; just invert and multiply.” A student’s job in math class is to reason, and a teacher’s job is to help the students see ...