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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 964 · 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. 1.5/6 + 4/7 =
  2. 2.5/10 + 1/2 =
  3. 3.2/7 + 1/2 =
  4. 4.8/9 − 4/7 =
  5. 5.9/12 + 2/4 =
  6. 6.7/10 − 2/7 =
  7. 7.2/3 + 3/8 =
  8. 8.6/7 − 2/6 =
  9. 9.4/8 + 7/8 =
  10. 10.7/11 − 1/2 =
  11. 11.2/3 − 1/10 =
  12. 12.1/10 + 4/11 =
  13. 13.2/4 + 2/5 =
  14. 14.2/4 + 4/5 =
  15. 15.1/7 + 4/9 =
  16. 16.2/4 + 1/2 =
  17. 17.9/11 − 3/10 =
  18. 18.3/12 + 1/7 =
  19. 19.1/3 − 1/4 =
  20. 20.4/6 − 1/4 =
  21. 21.3/9 + 1/10 =
  22. 22.1/6 + 1/5 =
  23. 23.2/3 + 3/10 =
  24. 24.8/12 − 1/2 =
  25. 25.1/2 + 4/8 =
  26. 26.1/7 + 2/5 =
  27. 27.2/3 + 2/3 =
  28. 28.8/9 + 4/6 =
  29. 29.4/11 + 1/9 =
  30. 30.3/4 + 1/3 =
  31. 31.1/10 + 1/6 =
  32. 32.5/6 − 1/5 =
  33. 33.3/4 − 1/6 =
  34. 34.1/2 + 1/3 =
  35. 35.2/4 + 2/4 =
  36. 36.3/4 + 5/11 =
  37. 37.1/5 + 3/7 =
  38. 38.2/5 + 1/3 =
  39. 39.9/11 − 1/3 =
  40. 40.1/11 + 3/10 =

Answer key

  1. 59/42
  2. 1
  3. 11/14
  4. 20/63
  5. 5/4
  6. 29/70
  7. 25/24
  8. 11/21
  9. 11/8
  10. 3/22
  11. 17/30
  12. 51/110
  13. 9/10
  14. 13/10
  15. 37/63
  16. 1
  17. 57/110
  18. 11/28
  19. 1/12
  20. 5/12
  21. 13/30
  22. 11/30
  23. 29/30
  24. 1/6
  25. 1
  26. 19/35
  27. 4/3
  28. 14/9
  29. 47/99
  30. 13/12
  31. 4/15
  32. 19/30
  33. 7/12
  34. 5/6
  35. 1
  36. 53/44
  37. 22/35
  38. 11/15
  39. 16/33
  40. 43/110

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