Lesson Worksheet: Subtracting Fractions with Unlike Denominators Mathematics • 5th Grade

In this worksheet, we will practice subtracting two proper fractions with different denominators by finding common denominators and writing the answer in simplest form.

Q1:

Calculate 7946.

  • A13
  • B1318
  • C19
  • D1

Q2:

How much more is 78of a gallon than 34of a gallon?

  • A716 gal
  • B38 gal
  • C18 gal
  • D116 gal
  • E158 gal

Q3:

Calculate 781213 giving the answer in its simplest form.

  • A225
  • B148
  • C213
  • D124
  • E1724

Q4:

Which of the following is a subtraction sentence representing the given figure?

  • A2312=16
  • B3423=27
  • C2312=15
  • D2312=17
  • E1213=16

Q5:

Evaluate 213112 giving the answer in its simplest form.

  • A16
  • B56
  • C56
  • D16
  • E1

Q6:

Evaluate 91113 giving the answer in its simplest form.

  • A9611
  • B1
  • C87
  • D1633
  • E833

Q7:

Scarlett, Victoria, and Daniel agreed to meet at the park. Scarlett walked 12 mi, Victoria walked 13 mi, and Daniel walked 14 mi. Who was the farthest away and by how much?

  • ADaniel, 14 mi
  • BScarlett, 14 mi
  • CScarlett, 16 mi
  • DVictoria, 16 mi
  • EVictoria, 112 mi

Q8:

Subtract 13 from 5.

  • A113
  • B312
  • C5
  • D423
  • E12

Q9:

If Daniel had 9 LE and bought a ruler for 12LE, how much money does he have left?

  • A4LE
  • B912LE
  • C812LE
  • D12LE

Q10:

Mason solved 1213 using the following method: he found that the least common denominator for 12 and 13 is 6, so he deduced that 1213=3626=16.

Using the same method, find 1314.

  • A16
  • B112
  • C712
  • D12
  • E14

Q11:

Use the given model to find 4513.

  • A715
  • B115
  • C1115
  • D12
  • E15

Q12:

Consider the following: 14161228=.

What is the missing fraction? Give your answer in its simplest form.

  • A116
  • B38
  • C12
  • D13
  • E18

Q13:

Complete the following number sentence: 1217=.

  • A614
  • B514
  • C15
  • D13
  • E17

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