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A.2.1.
Common errors in additions and subtractions of fractions.
Example 1
The
WRONG
way
We cannot simply add the two fractions as they are of unequal parts.
The
CORRECT
way
For additions, the fractions must be of equal parts.
Step 1
: Make sure the denominators of the fractions are the same.
Step 2
: Add up the numerators of the fraction. Express the fraction in the simplest form if necessary.
Example 2
The
WRONG
way
We cannot simply add the two fractions as they are of unequal parts.
The
CORRECT
way
For subtraction, the fractions must be of equal parts.
Step 1
:
Make sure the denominators of the fractions are the same.
Step 2
:
Subtract the numerators of the fraction. Express the fraction in the simplest form if necessary.
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