Worksheet: Adding Mixed Numbers with Unlike Denominators

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

Q1:

Evaluate 320+58+37+1720+138+47.

Q2:

Evaluate 367+23 giving the answer in its simplest form.

  • A41121
  • B12021
  • C2910
  • D247
  • E3421

Q3:

One day, a flock of birds flew for 234 hours. The next day, they flew for 345 hours. How many hours did the birds fly for in total?

  • A43 h
  • B34 h
  • C11620 h
  • D62011 h
  • E61120 h

Q4:

Chloe watched a documentary on TV for 114 hours, a cooking show for 123 hours, and a movie for 115 hours. Find how many hours Chloe spent watching TV altogether.

  • A2920 h
  • B760 h
  • C4760 h
  • D21112 h
  • E5760 h

Q5:

Calculate 349+467.

  • A163
  • B7
  • C1263
  • D81963
  • E91963

Q6:

Use the digits 1, 1, 2, 3, 4, and 6 to create two mixed numbers with a sum of 556.

  • A116, 234
  • B114, 236
  • C123, 416
  • D116, 424
  • E146, 423

Q7:

Mason spent his free time watching TV and playing video games. If he spent 225 hours watching TV and 2512 hours playing video games, how much free time did he have?

  • A717 h
  • B54960 h
  • C44960 h
  • D4717 h
  • E4960 h

Q8:

Calculate 725+123+213. Give your answer in its simplest form.

  • A1435
  • B3423
  • C11423
  • D1125

Q9:

Evaluate 2+1413 giving the answer in its simplest form.

  • A1613
  • B16
  • C413
  • D1213
  • E15

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