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Mathematics · Grades 4–7

Subtract mixed numbers

Convert to improper fractions; then subtract with a common denominator.

Make a worksheet

The key idea

Convert to improper fractions; then subtract with a common denominator.

w a/b = (wb + a)/b

Worked examples

Calculate 7 1/4 − 5 2/4. Give a fraction in simplest form.

(29 − 22)/4 = 7/4

7/4

Calculate 5 5/11 − 4 1/11. Give a fraction in simplest form.

(60 − 45)/11 = 15/11

15/11

Try it yourself

  1. Calculate 6 1/3 − 2 2/3. Give a fraction in simplest form.

  2. Calculate 3 4/11 − 2 6/11. Give a fraction in simplest form.

Check your understanding

Answers and marking notes
  1. 11/3

    (19 − 8)/3 = 11/3

  2. 9/11

    (37 − 28)/11 = 9/11

Further reading and review references

These are reference links, not copied exercises, institutional endorsement or proof of independent review.

Learning preview · teacher review required. Grade bands are approximate, not official curriculum alignment.