Adding Fractions with Different Denominators

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Objective

I can add fractions with unlike denominators by finding a common denominator.

Part 1 of 3

Warm-up video

Math with Mr. J · 7:40Vetted channel

We don't generate video — this one is by Math with Mr. J on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

7 questions

1

Explain the first step you should take when adding two fractions with unlike denominators.

2

What is the least common denominator (LCD) of 1/3 and 1/4?

Part 3 of 3

Exit ticket

Quick comprehension check

Solve for the sum of 2/5 + 3/10. Show all steps.

Sample answer included in the free materials

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Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

    Complete lesson plan with answer keys and alternate activities

  • Student Handout

    Printable worksheet

  • Slides

    Ready to present

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Adding Fractions With Different Denominators Lesson Plan for 7th Grade | Free Math Lesson