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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 335 · 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. 1.3/4 − 3/9 =
  2. 2.2/4 − 4/12 =
  3. 3.7/9 + 1/2 =
  4. 4.1/2 − 1/8 =
  5. 5.5/8 + 10/11 =
  6. 6.5/7 + 4/7 =
  7. 7.4/7 − 2/11 =
  8. 8.2/3 + 2/4 =
  9. 9.5/9 + 7/9 =
  10. 10.4/10 + 1/2 =
  11. 11.9/12 + 3/6 =
  12. 12.1/3 + 1/4 =
  13. 13.3/4 + 8/12 =
  14. 14.3/5 − 1/3 =
  15. 15.7/11 − 4/10 =
  16. 16.1/2 + 1/6 =
  17. 17.5/9 − 2/10 =
  18. 18.4/7 + 2/3 =
  19. 19.4/11 + 1/5 =
  20. 20.4/9 + 1/12 =
  21. 21.2/7 + 1/2 =
  22. 22.2/5 + 7/8 =
  23. 23.4/7 + 1/5 =
  24. 24.6/11 + 9/10 =
  25. 25.1/2 + 3/4 =
  26. 26.1/2 + 1/4 =
  27. 27.7/9 − 4/11 =
  28. 28.2/3 + 1/12 =
  29. 29.1/3 + 2/10 =
  30. 30.2/5 + 1/9 =
  31. 31.1/2 + 2/7 =
  32. 32.4/8 + 3/11 =
  33. 33.4/7 − 1/2 =
  34. 34.1/2 + 1/2 =
  35. 35.1/3 − 2/7 =
  36. 36.2/10 + 2/4 =
  37. 37.2/12 + 4/12 =
  38. 38.10/12 + 2/7 =
  39. 39.5/7 − 3/11 =
  40. 40.5/12 + 3/4 =

Answer key

  1. 5/12
  2. 1/6
  3. 23/18
  4. 3/8
  5. 135/88
  6. 9/7
  7. 30/77
  8. 7/6
  9. 4/3
  10. 9/10
  11. 5/4
  12. 7/12
  13. 17/12
  14. 4/15
  15. 13/55
  16. 2/3
  17. 16/45
  18. 26/21
  19. 31/55
  20. 19/36
  21. 11/14
  22. 51/40
  23. 27/35
  24. 159/110
  25. 5/4
  26. 3/4
  27. 41/99
  28. 3/4
  29. 8/15
  30. 23/45
  31. 11/14
  32. 17/22
  33. 1/14
  34. 1
  35. 1/21
  36. 7/10
  37. 1/2
  38. 47/42
  39. 34/77
  40. 7/6

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