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Worksheet: Adding Fractions with Unlike Denominators

Q1:

Calculate 1 4 + 1 3 .

  • A 1 3
  • B 4 1 5
  • C 1 3 4
  • D 7 1 2

Q2:

Calculate 1 3 1 5 + 4 5 .

  • A7
  • B 2 1 2 5
  • C 8 3 1 3
  • D 1 2 3

Q3:

Calculate 1 5 + 3 4 .

  • A 1 2
  • B 1 0 1 7
  • C 2 1 7 2 0
  • D 1 9 2 0

Q4:

Calculate 3 8 + 5 1 4 .

  • A 1 7
  • B 4 1 1
  • C 1 1 3 2 8
  • D 4 1 5 6

Q5:

Find the result of 1 1 5 + 1 2 + 4 5 giving the answer in its simplest form.

  • A 2 1 1 3 0
  • B 1 9 4 2
  • C 1 1 2 3 1
  • D 1 1 1 3 0
  • E 7 2 7

Q6:

Evaluate 7 1 8 + 4 1 5 + 1 9 giving the answer in its simplest form.

  • A 1 7 4 5
  • B 5 9 9 0
  • C 3 7 4 5
  • D 2 3 3 0

Q7:

Calculate 1 6 + 5 8 + 1 2 . Give your answer as a mixed number.

  • A 1 3 0 2 4
  • B 1 2 4 7
  • C 1 2 4 3 0
  • D 1 7 2 4

Q8:

Evaluate 1 4 + 1 4 + 3 1 7 giving the answer in its simplest form.

  • A 2 9 6 8
  • B 1 2
  • C 2 0 1 2 7 2
  • D 2 3 3 4

Q9:

Use the table to find the fraction of the population that has either type O or type A blood.

Blood Type O A B AB
Fraction of Population 1 1 2 5 2 1 5 0 1 1 0 1 2 5
  • A 1 2 2 5
  • B 3 2 7 5
  • C 2 7 5 0
  • D 4 3 5 0
  • E 1 3 2 5