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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 338 · 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. 1.6/7 − 2/7 =
  2. 2.2/11 + 7/10 =
  3. 3.1/4 − 1/5 =
  4. 4.4/8 − 2/10 =
  5. 5.1/4 + 4/12 =
  6. 6.2/3 − 3/8 =
  7. 7.1/2 + 7/10 =
  8. 8.2/6 + 1/5 =
  9. 9.1/2 + 2/8 =
  10. 10.1/2 + 1/3 =
  11. 11.3/5 − 1/2 =
  12. 12.3/5 − 1/2 =
  13. 13.10/12 + 1/2 =
  14. 14.1/2 + 4/12 =
  15. 15.2/10 + 3/8 =
  16. 16.6/7 + 1/2 =
  17. 17.2/8 + 3/6 =
  18. 18.5/8 − 4/9 =
  19. 19.1/3 + 2/12 =
  20. 20.2/6 + 1/2 =
  21. 21.1/2 + 3/10 =
  22. 22.3/11 + 1/5 =
  23. 23.4/9 − 3/7 =
  24. 24.4/6 + 2/3 =
  25. 25.2/4 + 3/4 =
  26. 26.1/4 + 10/11 =
  27. 27.1/2 + 3/7 =
  28. 28.3/6 + 1/2 =
  29. 29.3/10 + 1/2 =
  30. 30.8/10 + 3/8 =
  31. 31.8/9 + 1/10 =
  32. 32.8/12 + 2/8 =
  33. 33.6/9 + 1/8 =
  34. 34.9/10 − 1/7 =
  35. 35.8/10 − 2/6 =
  36. 36.1/2 + 4/8 =
  37. 37.3/6 − 4/9 =
  38. 38.4/8 − 3/12 =
  39. 39.11/12 − 1/2 =
  40. 40.2/7 + 1/3 =

Answer key

  1. 4/7
  2. 97/110
  3. 1/20
  4. 3/10
  5. 7/12
  6. 7/24
  7. 6/5
  8. 8/15
  9. 3/4
  10. 5/6
  11. 1/10
  12. 1/10
  13. 4/3
  14. 5/6
  15. 23/40
  16. 19/14
  17. 3/4
  18. 13/72
  19. 1/2
  20. 5/6
  21. 4/5
  22. 26/55
  23. 1/63
  24. 4/3
  25. 5/4
  26. 51/44
  27. 13/14
  28. 1
  29. 4/5
  30. 47/40
  31. 89/90
  32. 11/12
  33. 19/24
  34. 53/70
  35. 7/15
  36. 1
  37. 1/18
  38. 1/4
  39. 5/12
  40. 13/21

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