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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 126 · 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. 1.1/11 + 2/7 =
  2. 2.1/3 + 5/6 =
  3. 3.10/11 + 6/7 =
  4. 4.1/2 + 2/6 =
  5. 5.9/11 + 4/12 =
  6. 6.5/6 + 6/7 =
  7. 7.1/3 + 1/3 =
  8. 8.2/3 − 2/4 =
  9. 9.1/9 + 1/7 =
  10. 10.1/8 + 10/12 =
  11. 11.6/9 − 1/4 =
  12. 12.8/12 − 1/6 =
  13. 13.3/7 + 3/7 =
  14. 14.1/2 + 1/2 =
  15. 15.7/10 − 1/2 =
  16. 16.7/11 + 3/8 =
  17. 17.3/7 + 3/4 =
  18. 18.2/3 + 4/11 =
  19. 19.4/7 + 3/11 =
  20. 20.2/6 + 1/12 =
  21. 21.10/12 − 3/10 =
  22. 22.4/7 + 2/3 =
  23. 23.2/5 + 2/3 =
  24. 24.3/5 − 1/6 =
  25. 25.2/10 − 1/10 =
  26. 26.5/11 − 1/9 =
  27. 27.2/3 − 2/5 =
  28. 28.8/9 + 2/10 =
  29. 29.1/2 + 1/2 =
  30. 30.1/2 − 2/10 =
  31. 31.5/6 − 2/12 =
  32. 32.5/6 + 1/2 =
  33. 33.1/3 + 8/9 =
  34. 34.3/5 + 3/5 =
  35. 35.1/2 + 6/7 =
  36. 36.9/11 + 3/4 =
  37. 37.4/10 + 6/12 =
  38. 38.5/9 + 1/2 =
  39. 39.7/11 + 9/11 =
  40. 40.4/11 + 3/6 =

Answer key

  1. 29/77
  2. 7/6
  3. 136/77
  4. 5/6
  5. 38/33
  6. 71/42
  7. 2/3
  8. 1/6
  9. 16/63
  10. 23/24
  11. 5/12
  12. 1/2
  13. 6/7
  14. 1
  15. 1/5
  16. 89/88
  17. 33/28
  18. 34/33
  19. 65/77
  20. 5/12
  21. 8/15
  22. 26/21
  23. 16/15
  24. 13/30
  25. 1/10
  26. 34/99
  27. 4/15
  28. 49/45
  29. 1
  30. 3/10
  31. 2/3
  32. 4/3
  33. 11/9
  34. 6/5
  35. 19/14
  36. 69/44
  37. 9/10
  38. 19/18
  39. 16/11
  40. 19/22

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