1. Singapore Math Adding Fractions
Step 1: Read the problem
Step 2: Draw three equal rectangle boxes – each box equals one whole
Step 3: Draw the first fraction with horizontal lines
Step 4: Draw the second fraction with vertical lines
Step 5: Make the first and second rectangle look the “same” –
Fractions are Fair
Step 6: Count how many pieces now equals one whole rectangle – that will be the denominator.
Step 7: Count the total number of boxes now colored in the first and second rectangle – that will be your numerator.

2. Adding Fractions – first rectangle
Problem: 1 1 + 3 2
First rectangle – shows 1/3

3. Adding Fractions – Second rectangle – show 1/2

4. d
Adding Fractions 1 1 2 3

5. d
Adding Fractions 1 1
= ⅚ + 3 2

6. d
Adding Fractions 2 2 + 5 7

7. d
Adding Fractions 2 2 + 5 7

8. d
Adding Fractions 2 7

9. d
Adding Fractions 2 2 5 7

10. d
Adding Fractions 2 2 + 5 7 24 = 35