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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 965 · 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. 1.1/6 − 1/7 =
  2. 2.7/10 − 1/9 =
  3. 3.5/10 + 2/5 =
  4. 4.1/2 + 3/12 =
  5. 5.9/12 − 6/10 =
  6. 6.1/11 + 10/11 =
  7. 7.3/5 − 2/9 =
  8. 8.2/3 − 2/9 =
  9. 9.9/11 − 1/2 =
  10. 10.3/7 + 2/3 =
  11. 11.1/7 + 9/11 =
  12. 12.1/3 + 2/11 =
  13. 13.1/3 + 1/2 =
  14. 14.2/7 + 3/12 =
  15. 15.3/5 + 6/8 =
  16. 16.2/3 − 4/7 =
  17. 17.2/3 + 2/3 =
  18. 18.7/11 + 4/5 =
  19. 19.1/3 + 1/7 =
  20. 20.5/6 − 1/3 =
  21. 21.11/12 − 5/12 =
  22. 22.8/12 + 3/9 =
  23. 23.1/3 + 1/2 =
  24. 24.8/10 − 7/10 =
  25. 25.1/2 − 2/12 =
  26. 26.1/2 − 1/3 =
  27. 27.4/5 + 4/7 =
  28. 28.6/8 + 4/6 =
  29. 29.1/2 + 1/2 =
  30. 30.1/3 + 4/7 =
  31. 31.1/2 + 6/8 =
  32. 32.8/12 − 1/11 =
  33. 33.6/10 + 2/4 =
  34. 34.1/8 + 2/8 =
  35. 35.7/8 + 1/9 =
  36. 36.2/11 + 2/7 =
  37. 37.8/12 − 1/8 =
  38. 38.1/7 + 6/7 =
  39. 39.2/6 + 2/6 =
  40. 40.3/4 − 4/7 =

Answer key

  1. 1/42
  2. 53/90
  3. 9/10
  4. 3/4
  5. 3/20
  6. 1
  7. 17/45
  8. 4/9
  9. 7/22
  10. 23/21
  11. 74/77
  12. 17/33
  13. 5/6
  14. 15/28
  15. 27/20
  16. 2/21
  17. 4/3
  18. 79/55
  19. 10/21
  20. 1/2
  21. 1/2
  22. 1
  23. 5/6
  24. 1/10
  25. 1/3
  26. 1/6
  27. 48/35
  28. 17/12
  29. 1
  30. 19/21
  31. 5/4
  32. 19/33
  33. 11/10
  34. 3/8
  35. 71/72
  36. 36/77
  37. 13/24
  38. 1
  39. 2/3
  40. 5/28

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