Adding and Subtracting Fractions
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Objective
I can add and subtract fractions with unlike denominators, including simplifying the result.
Part 1 of 4
Warm-up video
Miacademy & MiaPrep Learning Channel · 10:19Vetted channel
We don't generate video — this one is by Miacademy & MiaPrep Learning Channel 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 4
Key concepts
3 concepts
- 1
When adding or subtracting fractions, the denominators have to be the same, so you’re working with pieces that are the same size.
- 2
To find a common denominator, list multiples of each denominator to find one they have in common, then create equivalent fractions.
- 3
Always record your answers in simplest form by dividing the numerator and denominator by their greatest common factor.
Part 3 of 4
Practice
3 questions
Explain why it is necessary to have a common denominator when adding or subtracting fractions.
Solve: 2/5 + 3/10. Simplify your answer.
Part 4 of 4
Exit ticket
Quick comprehension check
“Solve: ⅚ - ⅔. Show all steps, including finding a common denominator and simplifying the answer.”
Sample answer included in the free materials
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