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Math / Fractions / Grade 4 / mf4e1

Subtract Equal Fraction Parts - Practice 1

Keep the whole fixed while pieces leave.

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Watch the lesson | Try Fraction Dock: choose Unloading

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Use equal-sized pieces from the same whole. Subtract their counts, not their denominators. Keep any extra whole: a remainder can exceed one whole or equal zero. Check by adding the remaining amount to the removed amount.

Worked example

7/8 - 3/8 = 4/8 = 1/2. Seven eighth-size pieces start aboard; three leave and four stay. Check: 4/8 + 3/8 = 7/8. The picture shows this example, not the questions.

Worked example: 7/8 minus 3/8. Every outlined frame is the same whole. Start with 7/8. Keep 4/8; cross out 3/8. The crossed and kept parts together rebuild 7/8. White spaces were not loaded. Practice questions use different amounts.
Solid parts stay; crossed parts leave. The check reconstructs the starting load. Example amounts differ from the questions.
Question 1 5/8 - 2/8 = ?
Question 2 7/10 - 7/10 = ?
Question 3 11/6 - 4/6 = ?
Question 4 A strip starts with 8/9. After 2/9 leaves, __/9 stays. What numerator fills the blank?
Question 5 Why is 6/7 - 2/7 equal to 4/7, not 4/0?