Worksheet: Adding Fractions with Unlike Denominators

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

Q1:

Calculate 14+13.

  • A13
  • B134
  • C415
  • D712

Q2:

Find the result of 115+12+45 giving the answer in its simplest form.

  • A11130
  • B11231
  • C21130
  • D727
  • E1942

Q3:

Find the value of 𝑥+𝑧 given 𝑥=23 and 𝑧=12.

  • A16
  • B6
  • C67
  • D76

Q4:

Complete the following: 29+=23.

  • A59
  • B23
  • C13
  • D49

Q5:

Calculate 16+58+12. Give your answer as a mixed number.

  • A1247
  • B12430
  • C1724
  • D13024

Q6:

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

Blood TypeOABAB
Fraction of Population11252150110125
  • A3275
  • B1325
  • C2750
  • D4350
  • E1225

Q7:

Evaluate 718+415+19 giving the answer in its simplest form.

  • A5990
  • B3745
  • C2330
  • D1745

Q8:

Evaluate 13+13+217 giving the answer in its simplest form.

  • A257306
  • B4051
  • C2351
  • D23

Q9:

Evaluate the expression 25+49+49710.

  • A310
  • B410
  • C310
  • D55

Q10:

A recipe for banana bread requires 429 cups of flour, while a recipe for soda bread requires 245 cups of flour. How much more flour is needed to bake banana bread than soda bread?

  • A7145 c
  • B1945 c
  • C1023 c
  • D21023 c
  • E11945 c

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