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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 338 · 40 questions
TalentJR

The method (Back to one part): Divide the given part by the top number: that is one share. Multiply one share by the bottom number: that is the whole. Check: the fraction of your answer must give the part.

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  1. 1.If 3/8 of a number is 12, what is the number?
  2. 2.Diya spends 1/4 of the pocket money on a book. The book costs ₹8. How many rupees of pocket money did Diya have?
  3. 3.Vihaan spends 1/4 of the pocket money on a book. The book costs ₹8. How many rupees of pocket money did Vihaan have?
  4. 4.If 1/4 of a number is 10, what is the number?
  5. 5.If 5/8 of a number is 10, what is the number?
  6. 6.At a picnic, 6/7 of the children are from Class 5. There are 36 children from Class 5. How many children are at the picnic?
  7. 7.If 1/9 of a number is 6, what is the number?
  8. 8.At a picnic, 1/5 of the children are from Class 5. There are 4 children from Class 5. How many children are at the picnic?
  9. 9.If 2/9 of a number is 10, what is the number?
  10. 10.Rohan spends 3/5 of the pocket money on a book. The book costs ₹27. How many rupees of pocket money did Rohan have?
  11. 11.Tara spends 3/5 of the pocket money on a book. The book costs ₹6. How many rupees of pocket money did Tara have?
  12. 12.Riya spends 4/9 of the pocket money on a book. The book costs ₹36. How many rupees of pocket money did Riya have?
  13. 13.Riya spends 7/8 of the pocket money on a book. The book costs ₹63. How many rupees of pocket money did Riya have?
  14. 14.Arjun spends 4/7 of the pocket money on a book. The book costs ₹32. How many rupees of pocket money did Arjun have?
  15. 15.Sara spends 5/7 of the pocket money on a book. The book costs ₹15. How many rupees of pocket money did Sara have?
  16. 16.Tara spends 5/8 of the pocket money on a book. The book costs ₹40. How many rupees of pocket money did Tara have?
  17. 17.At a picnic, 5/8 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  18. 18.If 4/9 of a number is 16, what is the number?
  19. 19.If 7/8 of a number is 42, what is the number?
  20. 20.Anaya spends 6/7 of the pocket money on a book. The book costs ₹18. How many rupees of pocket money did Anaya have?
  21. 21.If 5/9 of a number is 30, what is the number?
  22. 22.If 9/10 of a number is 81, what is the number?
  23. 23.If 1/6 of a number is 7, what is the number?
  24. 24.At a picnic, 3/10 of the children are from Class 5. There are 15 children from Class 5. How many children are at the picnic?
  25. 25.If 2/9 of a number is 6, what is the number?
  26. 26.At a picnic, 3/4 of the children are from Class 5. There are 30 children from Class 5. How many children are at the picnic?
  27. 27.Riya spends 8/9 of the pocket money on a book. The book costs ₹32. How many rupees of pocket money did Riya have?
  28. 28.If 2/3 of a number is 4, what is the number?
  29. 29.If 4/7 of a number is 12, what is the number?
  30. 30.Vihaan spends 3/8 of the pocket money on a book. The book costs ₹6. How many rupees of pocket money did Vihaan have?
  31. 31.If 5/8 of a number is 30, what is the number?
  32. 32.At a picnic, 3/7 of the children are from Class 5. There are 21 children from Class 5. How many children are at the picnic?
  33. 33.Riya spends 3/8 of the pocket money on a book. The book costs ₹9. How many rupees of pocket money did Riya have?
  34. 34.If 9/10 of a number is 27, what is the number?
  35. 35.At a picnic, 1/2 of the children are from Class 5. There are 4 children from Class 5. How many children are at the picnic?
  36. 36.At a picnic, 6/7 of the children are from Class 5. There are 24 children from Class 5. How many children are at the picnic?
  37. 37.Aarav spends 1/3 of the pocket money on a book. The book costs ₹9. How many rupees of pocket money did Aarav have?
  38. 38.At a picnic, 2/7 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  39. 39.Diya spends 1/9 of the pocket money on a book. The book costs ₹2. How many rupees of pocket money did Diya have?
  40. 40.Ishaan spends 1/8 of the pocket money on a book. The book costs ₹2. How many rupees of pocket money did Ishaan have?

Answer key

  1. 32
  2. 32
  3. 32
  4. 40
  5. 16
  6. 42
  7. 54
  8. 20
  9. 45
  10. 45
  11. 10
  12. 81
  13. 72
  14. 56
  15. 21
  16. 64
  17. 16
  18. 36
  19. 48
  20. 21
  21. 54
  22. 90
  23. 42
  24. 50
  25. 27
  26. 40
  27. 36
  28. 6
  29. 21
  30. 16
  31. 48
  32. 49
  33. 24
  34. 30
  35. 8
  36. 28
  37. 27
  38. 35
  39. 18
  40. 16

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