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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 187 · 40 sums
TalentJR

The trick (Urdhva Tiryagbhyam): Top: multiply crosswise — first top × second bottom, then first bottom × second top — and add (or subtract). Bottom: multiply the two bottoms. Simplify by dividing top and bottom by their HCF. Give the answer as a fraction like 17/12.

NameDateTime takenScore ___ / 40
  1. 1.4/5 − 5/8 =
  2. 2.6/12 + 1/4 =
  3. 3.1/4 + 1/10 =
  4. 4.7/9 − 6/8 =
  5. 5.6/9 − 2/8 =
  6. 6.6/11 + 2/9 =
  7. 7.1/2 + 2/5 =
  8. 8.1/11 + 2/4 =
  9. 9.6/8 − 1/7 =
  10. 10.5/7 − 2/7 =
  11. 11.2/4 − 2/9 =
  12. 12.9/11 − 1/2 =
  13. 13.1/2 − 5/12 =
  14. 14.1/2 + 6/8 =
  15. 15.3/12 + 2/3 =
  16. 16.1/2 + 9/10 =
  17. 17.2/11 + 6/8 =
  18. 18.1/2 + 1/2 =
  19. 19.1/5 + 3/4 =
  20. 20.2/5 + 9/11 =
  21. 21.5/10 + 3/4 =
  22. 22.10/11 + 8/9 =
  23. 23.9/11 + 2/4 =
  24. 24.4/8 + 8/11 =
  25. 25.1/2 + 3/8 =
  26. 26.8/9 + 7/10 =
  27. 27.6/11 + 5/10 =
  28. 28.2/6 + 1/5 =
  29. 29.1/6 + 1/6 =
  30. 30.4/10 − 1/3 =
  31. 31.1/8 + 8/10 =
  32. 32.2/5 + 1/4 =
  33. 33.1/2 + 2/3 =
  34. 34.3/4 − 2/4 =
  35. 35.1/8 + 1/4 =
  36. 36.6/10 + 1/5 =
  37. 37.2/12 + 2/12 =
  38. 38.3/9 + 1/4 =
  39. 39.1/4 + 5/7 =
  40. 40.1/2 + 2/5 =

Answer key

  1. 7/40
  2. 3/4
  3. 7/20
  4. 1/36
  5. 5/12
  6. 76/99
  7. 9/10
  8. 13/22
  9. 17/28
  10. 3/7
  11. 5/18
  12. 7/22
  13. 1/12
  14. 5/4
  15. 11/12
  16. 7/5
  17. 41/44
  18. 1
  19. 19/20
  20. 67/55
  21. 5/4
  22. 178/99
  23. 29/22
  24. 27/22
  25. 7/8
  26. 143/90
  27. 23/22
  28. 8/15
  29. 1/3
  30. 1/15
  31. 37/40
  32. 13/20
  33. 7/6
  34. 1/4
  35. 3/8
  36. 4/5
  37. 1/3
  38. 7/12
  39. 27/28
  40. 9/10

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