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Multiplying mixed fractions by whole numbers - Worksheet No.1 ... - Free Printable

Multiplying mixed fractions by whole numbers - Worksheet No.1 ...

Educational worksheet: Multiplying mixed fractions by whole numbers - Worksheet No.1 .... Download and print for classroom or home learning activities.

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Show Answer Key & Explanations Step-by-step solution for: Multiplying mixed fractions by whole numbers - Worksheet No.1 ...
Let’s solve each problem step by step. We’re multiplying a whole number by a mixed fraction. The trick is to turn the mixed fraction into an improper fraction first, then multiply.

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1. 2 × 2 1/3

First, convert 2 1/3 to an improper fraction:
2 1/3 = (2×3 + 1)/3 = 7/3

Now multiply:
2 × 7/3 = 14/3

Convert back to mixed number:
14 ÷ 3 = 4 with remainder 2 → 4 2/3

*(Note: The example in the worksheet shows 2×2 + 2×1/3 = 4 + 2/3 = 4 2/3 — same answer!)*

Answer: 4 2/3

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2. 3 × 5 2/9

Convert 5 2/9 to improper:
(5×9 + 2)/9 = 47/9

Multiply:
3 × 47/9 = 141/9

Simplify: divide numerator and denominator by 3 → 47/3

Convert to mixed: 47 ÷ 3 = 15 R2 → 15 2/3

Answer: 15 2/3

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3. 4 × 3 1/15

Convert: (3×15 + 1)/15 = 46/15

Multiply: 4 × 46/15 = 184/15

Divide: 184 ÷ 15 = 12 R4 → 12 4/15

Answer: 12 4/15

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4. 7 × 8 1/10

Convert: (8×10 + 1)/10 = 81/10

Multiply: 7 × 81/10 = 567/10

Divide: 567 ÷ 10 = 56 R7 → 56 7/10

Answer: 56 7/10

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5. 6 × 10 2/21

Convert: (10×21 + 2)/21 = 212/21

Multiply: 6 × 212/21 = 1272/21

Simplify: Divide numerator and denominator by 3 → 424/7

Divide: 424 ÷ 7 = 60 R4 → 60 4/7

Wait — let me double-check that division:

7 × 60 = 420 → 424 - 420 = 4 → yes, 60 4/7

But wait — maybe we can simplify earlier? Let’s try again:

6 × 212 / 21 = (6/21) × 212 = (2/7) × 212 = 424/7 → same thing.

Answer: 60 4/7

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6. 2 × 2 2/3

Convert: (2×3 + 2)/3 = 8/3

Multiply: 2 × 8/3 = 16/3

Divide: 16 ÷ 3 = 5 R1 → 5 1/3

Answer: 5 1/3

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7. 3 × 4/9

This one is simple — no mixed number!

3 × 4/9 = 12/9 = 4/3 (divide top and bottom by 3)

Convert to mixed: 4 ÷ 3 = 1 R1 → 1 1/3

Answer: 1 1/3

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8. 4 × 3 7/15

Convert: (3×15 + 7)/15 = 52/15

Multiply: 4 × 52/15 = 208/15

Divide: 208 ÷ 15 = 13 R13 → 13 13/15

Check: 15×13=195, 208-195=13 → correct.

Answer: 13 13/15

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9. 7 × 8 3/10

Convert: (8×10 + 3)/10 = 83/10

Multiply: 7 × 83/10 = 581/10

Divide: 581 ÷ 10 = 58 R1 → 58 1/10

Answer: 58 1/10

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10. 6 × 10 2/21

Same as #5 but with 6 instead of 6? Wait — actually, this is identical to #5? No — #5 was also 6 × 10 2/21. Oh, it’s repeated? Or typo? Anyway, same calculation.

We already did: 6 × 212/21 = 1272/21 = 424/7 = 60 4/7

Answer: 60 4/7

Wait — looking back at the original list, problem #5 and #10 are both “6 × 10 2/21”. So they should have the same answer.

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Final Answers List:

1. 4 2/3
2. 15 2/3
3. 12 4/15
4. 56 7/10
5. 60 4/7
6. 5 1/3
7. 1 1/3
8. 13 13/15
9. 58 1/10
10. 60 4/7

All checked and verified.

Final Answer:
1. 4 2/3
2. 15 2/3
3. 12 4/15
4. 56 7/10
5. 60 4/7
6. 5 1/3
7. 1 1/3
8. 13 13/15
9. 58 1/10
10. 60 4/7
Parent Tip: Review the logic above to help your child master the concept of multiplying mixed fractions worksheet.
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