- The document discusses subtracting fractions and provides a 3-step process: 1) Make sure the denominators are the same, 2) Subtract the numerators and put the answer over the denominator, and 3) Simplify the fraction if necessary. - It provides examples of subtracting fractions using this process, such as 5/8 - 3/8 = 2/8 = 1/4. - Readers are encouraged to practice the subtraction process on sample problems provided before attempting independent questions.

1. Fractions
Subtraction
What will we learn today?
• subtraction of two related fractions
within one whole

2. Let’s recap what we have learnt
in the previous lecture.

3. 3 simple steps to add fractions:
• Step 1
– Make sure the bottom numbers
(denominators) are the same
• Step 2
– Add the top numbers (numerators), put the
answer over the denominator.
• Step 3
– Simplify the fraction (if necessary).

4. For example
Add the top numbers (numerators),
put the answer over the denominator.
Simplify the fraction (if necessary).

5. 3 simple steps to subtract fractions
• Step 1
– Make sure the bottom numbers (denominators)
are the same.
• Step 2
– Subtract the top numbers (numerators).
– Put the answer over the same denominator.
• Step 3
– Simplify the fraction. (if necessary)

6. Try these out!
5 3
8 - 8

7. Solution
Step 2
Step 1 5 3 5-3
8 - 8
= 8
2 1 Step 3
= 84
1
= 4
If you are unsure of the last step,
see the lecture for Equivalent Fractions.

8. Try these out!
5 2
6 - 6

9. Solution
Step 2
Step 1 5 2 5-2
6 - 6
= 6
Step 3
31
= 62
1
= 2
If you are unsure of the last step,
see the lecture for Equivalent Fractions.

10. Are you ready to
try out the
questions?