Grade 4 · Math

Subtract like-denominator fractions

LET’S TRY ONE

What is − ? Keep eighths.

Six eighths minus two eighths leaves four eighths.

Your turn!
Learning steps & teaching tips

Subtract fractions with the same denominator.

  1. Subtract the number of parts, keeping their size unchanged.
  2. Work through the example. Explain how its evidence supports the answer.
  3. Try a new question; use the explanation to check your thinking.

Try it together

Write or draw your own example with different numbers. Solve it, then ask a partner to check the method as well as the answer.

Subtract the number of parts, keeping their size unchanged.