adding fractions worksheets like denominators

Teaching Notes

Focus: Combining Like Unit Fractions. Use the worked example and teaching sequence below to explain the reasoning before independent practice.

Before You Begin

• Read the numbers and identify the operation.

Teaching Steps for Parents and Teachers

1. Fractions must refer to equal-sized parts before you combine them.
2. For like denominators, add the numerators and keep the denominator.
3. For unlike denominators, rewrite both fractions using a common denominator, then add.
4. Convert a mixed number to an equivalent improper fraction when that makes the calculation easier.
5. Finally, simplify the result.
6. For a blank, identify the missing quantity. Substitute the completed value back into the original statement to check it.

Worked Examples

2/5 + 1/5 = □

1. Two fifths and one fifth make three fifths.
2. Add 2 + 1 = 3 and keep the denominator 5.

Answer: 3/5

Common Mistakes and How to Help

The answer does not match the requested form or place.

Return to the worked example. Ask the learner to explain each step and check the result against the original question.

Questions to Check Understanding

• What does each number in this example represent?
• Why does the final answer have this form?
• Can you explain the same steps using another example?

Practice Advice

Work through the example together. Ask the learner to explain the first two problems, then try three independently. Review the first incorrect step before assigning more practice.

Next Practice

• Use New Numbers to practice the same skill with different values.
• If the learner needs help, return to the example and model each step before trying again.