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Like DenominatorsGrades 3-4 Unlike DenominatorsGrades 4-6 Mixed NumbersGrades 4-6

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📄 Sheet #1•10 Problems

PanMaths.comAdding Fractions with Unlike Denominators Worksheets • Worksheet #1

Name: __________________________

Date: _____________ Period: ____

Score: _____ / 10

12+67= ______

Workspace:

67+14= ______

Workspace:

110+47= ______

Workspace:

610+12= ______

Workspace:

27+89= ______

Workspace:

56+34= ______

Workspace:

12+58= ______

Workspace:

12+13= ______

Workspace:

13+29= ______

Workspace:

10.

12+26= ______

Workspace:

PanMaths.com • Free Math Worksheet GeneratorPage 1 of 2

PanMaths.comAnswer Key & Worked Solutions • Worksheet #1

Answer Key

Total Problems: 10

12+67= 19/14

1. Find Least Common Denominator (LCD) of 2 and 7: LCD = 14

2. Convert to Equivalent Fractions: 1/2 = 7/14 and 6/7 = 12/14

3. Add Numerators: (7 + 12) / 14 = 19/14

67+14= 31/28

1. Find Least Common Denominator (LCD) of 7 and 4: LCD = 28

2. Convert to Equivalent Fractions: 6/7 = 24/28 and 1/4 = 7/28

3. Add Numerators: (24 + 7) / 28 = 31/28

110+47= 47/70

1. Find Least Common Denominator (LCD) of 10 and 7: LCD = 70

2. Convert to Equivalent Fractions: 1/10 = 7/70 and 4/7 = 40/70

3. Add Numerators: (7 + 40) / 70 = 47/70

610+12= 11/10

1. Find Least Common Denominator (LCD) of 10 and 2: LCD = 10

2. Convert to Equivalent Fractions: 6/10 = 6/10 and 1/2 = 5/10

3. Add Numerators: (6 + 5) / 10 = 11/10

27+89= 74/63

1. Find Least Common Denominator (LCD) of 7 and 9: LCD = 63

2. Convert to Equivalent Fractions: 2/7 = 18/63 and 8/9 = 56/63

3. Add Numerators: (18 + 56) / 63 = 74/63

56+34= 19/12

1. Find Least Common Denominator (LCD) of 6 and 4: LCD = 12

2. Convert to Equivalent Fractions: 5/6 = 10/12 and 3/4 = 9/12

3. Add Numerators: (10 + 9) / 12 = 19/12

12+58= 9/8

1. Find Least Common Denominator (LCD) of 2 and 8: LCD = 8

2. Convert to Equivalent Fractions: 1/2 = 4/8 and 5/8 = 5/8

3. Add Numerators: (4 + 5) / 8 = 9/8

12+13= 5/6

1. Find Least Common Denominator (LCD) of 2 and 3: LCD = 6

2. Convert to Equivalent Fractions: 1/2 = 3/6 and 1/3 = 2/6

3. Add Numerators: (3 + 2) / 6 = 5/6

13+29= 5/9

1. Find Least Common Denominator (LCD) of 3 and 9: LCD = 9

2. Convert to Equivalent Fractions: 1/3 = 3/9 and 2/9 = 2/9

3. Add Numerators: (3 + 2) / 9 = 5/9

10.

12+26= 5/6

1. Find Least Common Denominator (LCD) of 2 and 6: LCD = 6

2. Convert to Equivalent Fractions: 1/2 = 3/6 and 2/6 = 2/6

3. Add Numerators: (3 + 2) / 6 = 5/6

PanMaths.com • Answer Key & Worked SolutionsPage 2 of 2

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