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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 78 · 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 2/7 of a number is 18, what is the number?
  2. 2.At a picnic, 1/4 of the children are from Class 5. There are 3 children from Class 5. How many children are at the picnic?
  3. 3.Kabir spends 3/10 of the pocket money on a book. The book costs ₹15. How many rupees of pocket money did Kabir have?
  4. 4.Vihaan spends 3/4 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Vihaan have?
  5. 5.If 7/10 of a number is 35, what is the number?
  6. 6.At a picnic, 7/9 of the children are from Class 5. There are 14 children from Class 5. How many children are at the picnic?
  7. 7.If 6/7 of a number is 36, what is the number?
  8. 8.Diya spends 1/7 of the pocket money on a book. The book costs ₹8. How many rupees of pocket money did Diya have?
  9. 9.Tara spends 3/7 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Tara have?
  10. 10.Meera spends 5/6 of the pocket money on a book. The book costs ₹45. How many rupees of pocket money did Meera have?
  11. 11.If 3/8 of a number is 21, what is the number?
  12. 12.If 2/5 of a number is 4, what is the number?
  13. 13.At a picnic, 1/10 of the children are from Class 5. There are 3 children from Class 5. How many children are at the picnic?
  14. 14.At a picnic, 1/5 of the children are from Class 5. There are 9 children from Class 5. How many children are at the picnic?
  15. 15.If 2/5 of a number is 16, what is the number?
  16. 16.Meera spends 1/4 of the pocket money on a book. The book costs ₹4. How many rupees of pocket money did Meera have?
  17. 17.Vihaan spends 1/10 of the pocket money on a book. The book costs ₹8. How many rupees of pocket money did Vihaan have?
  18. 18.Arjun spends 5/8 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Arjun have?
  19. 19.If 1/9 of a number is 2, what is the number?
  20. 20.Sara spends 1/8 of the pocket money on a book. The book costs ₹6. How many rupees of pocket money did Sara have?
  21. 21.Diya spends 3/5 of the pocket money on a book. The book costs ₹30. How many rupees of pocket money did Diya have?
  22. 22.Diya spends 2/5 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Diya have?
  23. 23.If 3/8 of a number is 24, what is the number?
  24. 24.If 4/5 of a number is 36, what is the number?
  25. 25.If 8/9 of a number is 32, what is the number?
  26. 26.Arjun spends 1/2 of the pocket money on a book. The book costs ₹3. How many rupees of pocket money did Arjun have?
  27. 27.If 2/3 of a number is 6, what is the number?
  28. 28.Aarav spends 4/9 of the pocket money on a book. The book costs ₹20. How many rupees of pocket money did Aarav have?
  29. 29.At a picnic, 3/4 of the children are from Class 5. There are 24 children from Class 5. How many children are at the picnic?
  30. 30.At a picnic, 4/5 of the children are from Class 5. There are 24 children from Class 5. How many children are at the picnic?
  31. 31.If 2/5 of a number is 18, what is the number?
  32. 32.If 4/9 of a number is 16, what is the number?
  33. 33.If 7/9 of a number is 14, what is the number?
  34. 34.If 1/7 of a number is 9, what is the number?
  35. 35.At a picnic, 3/7 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, 5/7 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  37. 37.Arjun spends 1/2 of the pocket money on a book. The book costs ₹6. How many rupees of pocket money did Arjun have?
  38. 38.If 3/4 of a number is 6, what is the number?
  39. 39.If 1/5 of a number is 10, what is the number?
  40. 40.If 4/9 of a number is 12, what is the number?

Answer key

  1. 63
  2. 12
  3. 50
  4. 16
  5. 50
  6. 18
  7. 42
  8. 56
  9. 28
  10. 54
  11. 56
  12. 10
  13. 30
  14. 45
  15. 40
  16. 16
  17. 80
  18. 16
  19. 18
  20. 48
  21. 50
  22. 25
  23. 64
  24. 45
  25. 36
  26. 6
  27. 9
  28. 45
  29. 32
  30. 30
  31. 45
  32. 36
  33. 18
  34. 63
  35. 35
  36. 14
  37. 12
  38. 8
  39. 50
  40. 27

Free fractions lessons, practice and worksheets at talentjr.in/fractions-for-kids