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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 188 · 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.

NameDateTime takenScore ___ / 40
  1. 1.If 2/3 of a number is 4, what is the number?
  2. 2.If 2/5 of a number is 20, what is the number?
  3. 3.If 6/7 of a number is 36, what is the number?
  4. 4.Rohan spends 7/9 of the pocket money on a book. The book costs ₹14. How many rupees of pocket money did Rohan have?
  5. 5.If 5/9 of a number is 40, what is the number?
  6. 6.If 3/4 of a number is 18, what is the number?
  7. 7.At a picnic, 4/5 of the children are from Class 5. There are 32 children from Class 5. How many children are at the picnic?
  8. 8.At a picnic, 4/7 of the children are from Class 5. There are 32 children from Class 5. How many children are at the picnic?
  9. 9.If 5/9 of a number is 45, what is the number?
  10. 10.If 4/7 of a number is 12, what is the number?
  11. 11.Anaya spends 1/3 of the pocket money on a book. The book costs ₹2. How many rupees of pocket money did Anaya have?
  12. 12.Tara spends 3/8 of the pocket money on a book. The book costs ₹24. How many rupees of pocket money did Tara have?
  13. 13.At a picnic, 1/8 of the children are from Class 5. There are 2 children from Class 5. How many children are at the picnic?
  14. 14.If 1/6 of a number is 4, what is the number?
  15. 15.Rohan spends 4/5 of the pocket money on a book. The book costs ₹20. How many rupees of pocket money did Rohan have?
  16. 16.Kabir spends 1/8 of the pocket money on a book. The book costs ₹8. How many rupees of pocket money did Kabir have?
  17. 17.Rohan spends 2/3 of the pocket money on a book. The book costs ₹14. How many rupees of pocket money did Rohan have?
  18. 18.At a picnic, 3/10 of the children are from Class 5. There are 21 children from Class 5. How many children are at the picnic?
  19. 19.If 5/8 of a number is 20, what is the number?
  20. 20.If 1/8 of a number is 8, what is the number?
  21. 21.Riya spends 3/10 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Riya have?
  22. 22.At a picnic, 2/7 of the children are from Class 5. There are 14 children from Class 5. How many children are at the picnic?
  23. 23.If 5/7 of a number is 35, what is the number?
  24. 24.Meera spends 3/4 of the pocket money on a book. The book costs ₹30. How many rupees of pocket money did Meera have?
  25. 25.At a picnic, 4/7 of the children are from Class 5. There are 8 children from Class 5. How many children are at the picnic?
  26. 26.If 2/7 of a number is 14, what is the number?
  27. 27.If 2/3 of a number is 12, what is the number?
  28. 28.At a picnic, 5/6 of the children are from Class 5. There are 20 children from Class 5. How many children are at the picnic?
  29. 29.Meera spends 2/9 of the pocket money on a book. The book costs ₹20. How many rupees of pocket money did Meera have?
  30. 30.Sara spends 1/3 of the pocket money on a book. The book costs ₹3. How many rupees of pocket money did Sara have?
  31. 31.At a picnic, 1/8 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  32. 32.At a picnic, 9/10 of the children are from Class 5. There are 18 children from Class 5. How many children are at the picnic?
  33. 33.Vihaan spends 3/10 of the pocket money on a book. The book costs ₹15. How many rupees of pocket money did Vihaan have?
  34. 34.At a picnic, 1/3 of the children are from Class 5. There are 5 children from Class 5. How many children are at the picnic?
  35. 35.At a picnic, 5/7 of the children are from Class 5. There are 15 children from Class 5. How many children are at the picnic?
  36. 36.At a picnic, 8/9 of the children are from Class 5. There are 32 children from Class 5. How many children are at the picnic?
  37. 37.Rohan spends 1/2 of the pocket money on a book. The book costs ₹4. How many rupees of pocket money did Rohan have?
  38. 38.Rohan spends 7/8 of the pocket money on a book. The book costs ₹56. How many rupees of pocket money did Rohan have?
  39. 39.Arjun spends 1/10 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Arjun have?
  40. 40.If 1/5 of a number is 3, what is the number?

Answer key

  1. 6
  2. 50
  3. 42
  4. 18
  5. 72
  6. 24
  7. 40
  8. 56
  9. 81
  10. 21
  11. 6
  12. 64
  13. 16
  14. 24
  15. 25
  16. 64
  17. 21
  18. 70
  19. 32
  20. 64
  21. 40
  22. 49
  23. 49
  24. 40
  25. 14
  26. 49
  27. 18
  28. 24
  29. 90
  30. 9
  31. 48
  32. 20
  33. 50
  34. 15
  35. 21
  36. 36
  37. 8
  38. 64
  39. 100
  40. 15

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