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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 327 · 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. 1.1/2 + 10/11 =
  2. 2.2/9 + 4/10 =
  3. 3.7/8 + 9/11 =
  4. 4.1/3 + 3/9 =
  5. 5.1/3 + 9/11 =
  6. 6.7/8 + 1/4 =
  7. 7.8/9 − 1/10 =
  8. 8.2/4 + 2/3 =
  9. 9.1/2 − 2/7 =
  10. 10.3/9 − 1/4 =
  11. 11.5/6 − 1/3 =
  12. 12.1/12 + 2/4 =
  13. 13.5/8 − 1/2 =
  14. 14.3/9 + 1/3 =
  15. 15.7/10 + 1/4 =
  16. 16.3/4 + 2/7 =
  17. 17.4/5 − 1/3 =
  18. 18.1/11 + 2/9 =
  19. 19.1/2 + 1/4 =
  20. 20.3/11 − 2/10 =
  21. 21.10/11 + 1/2 =
  22. 22.3/10 + 1/6 =
  23. 23.3/4 + 2/9 =
  24. 24.5/10 − 1/4 =
  25. 25.1/2 − 1/12 =
  26. 26.10/12 − 1/2 =
  27. 27.1/4 − 1/6 =
  28. 28.2/9 + 1/3 =
  29. 29.1/4 + 4/9 =
  30. 30.6/10 + 9/10 =
  31. 31.2/3 − 1/2 =
  32. 32.6/11 + 3/5 =
  33. 33.5/12 − 1/10 =
  34. 34.8/9 − 1/8 =
  35. 35.5/8 − 1/9 =
  36. 36.1/12 + 4/6 =
  37. 37.2/3 − 3/5 =
  38. 38.2/3 − 1/4 =
  39. 39.3/5 − 6/12 =
  40. 40.2/11 + 4/7 =

Answer key

  1. 31/22
  2. 28/45
  3. 149/88
  4. 2/3
  5. 38/33
  6. 9/8
  7. 71/90
  8. 7/6
  9. 3/14
  10. 1/12
  11. 1/2
  12. 7/12
  13. 1/8
  14. 2/3
  15. 19/20
  16. 29/28
  17. 7/15
  18. 31/99
  19. 3/4
  20. 4/55
  21. 31/22
  22. 7/15
  23. 35/36
  24. 1/4
  25. 5/12
  26. 1/3
  27. 1/12
  28. 5/9
  29. 25/36
  30. 3/2
  31. 1/6
  32. 63/55
  33. 19/60
  34. 55/72
  35. 37/72
  36. 3/4
  37. 1/15
  38. 5/12
  39. 1/10
  40. 58/77

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