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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 22 · 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 5/9 of a number is 20, what is the number?
  2. 2.At a picnic, 5/8 of the children are from Class 5. There are 20 children from Class 5. How many children are at the picnic?
  3. 3.Riya spends 1/10 of the pocket money on a book. The book costs ₹6. How many rupees of pocket money did Riya have?
  4. 4.At a picnic, 2/3 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  5. 5.If 5/8 of a number is 20, what is the number?
  6. 6.If 5/8 of a number is 30, what is the number?
  7. 7.At a picnic, 4/9 of the children are from Class 5. There are 8 children from Class 5. How many children are at the picnic?
  8. 8.If 7/8 of a number is 14, what is the number?
  9. 9.Sara spends 7/9 of the pocket money on a book. The book costs ₹28. How many rupees of pocket money did Sara have?
  10. 10.At a picnic, 1/4 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  11. 11.If 7/8 of a number is 49, what is the number?
  12. 12.Diya spends 4/7 of the pocket money on a book. The book costs ₹32. How many rupees of pocket money did Diya have?
  13. 13.If 2/7 of a number is 12, what is the number?
  14. 14.At a picnic, 7/10 of the children are from Class 5. There are 42 children from Class 5. How many children are at the picnic?
  15. 15.Vihaan spends 1/9 of the pocket money on a book. The book costs ₹6. How many rupees of pocket money did Vihaan have?
  16. 16.Kabir spends 1/3 of the pocket money on a book. The book costs ₹8. How many rupees of pocket money did Kabir have?
  17. 17.Vihaan spends 5/6 of the pocket money on a book. The book costs ₹20. How many rupees of pocket money did Vihaan have?
  18. 18.Arjun spends 1/2 of the pocket money on a book. The book costs ₹8. How many rupees of pocket money did Arjun have?
  19. 19.If 7/8 of a number is 56, what is the number?
  20. 20.If 4/9 of a number is 12, what is the number?
  21. 21.If 4/7 of a number is 12, what is the number?
  22. 22.If 8/9 of a number is 72, what is the number?
  23. 23.At a picnic, 1/10 of the children are from Class 5. There are 4 children from Class 5. How many children are at the picnic?
  24. 24.If 1/9 of a number is 9, what is the number?
  25. 25.At a picnic, 1/7 of the children are from Class 5. There are 4 children from Class 5. How many children are at the picnic?
  26. 26.Diya spends 1/10 of the pocket money on a book. The book costs ₹7. How many rupees of pocket money did Diya have?
  27. 27.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?
  28. 28.If 5/8 of a number is 15, what is the number?
  29. 29.At a picnic, 9/10 of the children are from Class 5. There are 54 children from Class 5. How many children are at the picnic?
  30. 30.If 5/7 of a number is 20, what is the number?
  31. 31.At a picnic, 5/9 of the children are from Class 5. There are 25 children from Class 5. How many children are at the picnic?
  32. 32.Sara spends 7/9 of the pocket money on a book. The book costs ₹56. How many rupees of pocket money did Sara have?
  33. 33.At a picnic, 1/9 of the children are from Class 5. There are 5 children from Class 5. How many children are at the picnic?
  34. 34.Sara spends 1/6 of the pocket money on a book. The book costs ₹7. How many rupees of pocket money did Sara have?
  35. 35.Sara spends 7/10 of the pocket money on a book. The book costs ₹28. How many rupees of pocket money did Sara have?
  36. 36.If 4/7 of a number is 24, what is the number?
  37. 37.Vihaan spends 3/10 of the pocket money on a book. The book costs ₹27. How many rupees of pocket money did Vihaan have?
  38. 38.If 1/10 of a number is 4, what is the number?
  39. 39.Ishaan spends 1/9 of the pocket money on a book. The book costs ₹8. How many rupees of pocket money did Ishaan have?
  40. 40.Ishaan spends 1/5 of the pocket money on a book. The book costs ₹8. How many rupees of pocket money did Ishaan have?

Answer key

  1. 36
  2. 32
  3. 60
  4. 9
  5. 32
  6. 48
  7. 18
  8. 16
  9. 36
  10. 40
  11. 56
  12. 56
  13. 42
  14. 60
  15. 54
  16. 24
  17. 24
  18. 16
  19. 64
  20. 27
  21. 21
  22. 81
  23. 40
  24. 81
  25. 28
  26. 70
  27. 40
  28. 24
  29. 60
  30. 28
  31. 45
  32. 72
  33. 45
  34. 42
  35. 40
  36. 42
  37. 90
  38. 40
  39. 72
  40. 40

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