Lesson Worksheet: Subtracting Proper Fractions: Denominators Are Multiples Mathematics • 5th Grade

In this worksheet, we will practice subtracting proper fractions whose denominators are multiples of the same number first by using models and then by writing equivalent fractions over the same denominator.


Hannah wants to calculate 351315 by first writing each fraction over the same denominator. Which of the following is the next step she should take?

  • A35×881315×77
  • B35×15151315×55
  • C35×15151315×88
  • D35×771315×88
  • E35×551315×1515


Jackson has 12 of a chocolate bar and he eats 16 of it. How much of the chocolate bar is leftover?

  • A16 of the chocolate bar
  • B14 of the chocolate bar
  • C34 of the chocolate bar
  • D13 of the chocolate bar
  • E23 of the chocolate bar


Sophia’s bottle contains 34 liters of water. If she drinks 18 liters from her bottle, how much water in liters is leftover?

  • A12
  • B18
  • C38
  • D14
  • E58


Solve the following:

  • A34
  • B16
  • C14
  • D12
  • E23


Charlotte solved 91035 as follows using the given number line.

Use the same method to find 5612.

  • A34
  • B13
  • C14
  • D23
  • E12


Noah made the given model to solve 3458, as follows.

He found that 3458=18.

Use the same method to find 2319.

  • A16
  • B79
  • C19
  • D13
  • E59


Using the given model, find 5814. Give your answer in its simplest form.

  • A12
  • B38
  • C34
  • D58
  • E14


Using the given model, find 45710.

  • A110
  • B35
  • C15
  • D310
  • E12


Which of the following subtraction equations is represented on the given number line?

  • A710210=310
  • B31015=710
  • C71025=310
  • D31025=710


There was 78 of a pizza and Mason ate 14 of it. How much of it is left?

  • A58 of a pizza
  • B34 of a pizza
  • C12 of a pizza
  • D14 of a pizza
  • E23 of a pizza


Complete the following with the correct answer in its simplest form:

  • A16
  • B12
  • C14
  • D23
  • E13


Find the common denominator and then subtract the fractions, giving your answer in its simplest form: 14112=.

  • A14
  • B212
  • C112
  • D26
  • E16


Find 2319118. Give your answer in its simplest form.

  • A13
  • B718
  • C12
  • D19
  • E118


Fill in the blank using <, >, or =: 345812kmkmkm.

  • A=
  • B<
  • C>

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