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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 418 · 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. 1.6/9 − 3/10 =
  2. 2.5/8 + 1/2 =
  3. 3.1/6 + 4/5 =
  4. 4.6/9 + 1/2 =
  5. 5.2/10 + 4/7 =
  6. 6.4/9 + 3/5 =
  7. 7.1/2 − 1/11 =
  8. 8.10/11 − 1/7 =
  9. 9.1/9 + 2/9 =
  10. 10.4/7 + 1/2 =
  11. 11.2/6 + 8/10 =
  12. 12.2/4 − 2/5 =
  13. 13.1/3 + 1/2 =
  14. 14.1/2 + 2/3 =
  15. 15.4/5 − 4/7 =
  16. 16.6/9 − 1/2 =
  17. 17.2/4 + 5/9 =
  18. 18.3/6 − 1/6 =
  19. 19.3/10 − 2/12 =
  20. 20.2/6 + 2/4 =
  21. 21.1/2 − 4/11 =
  22. 22.4/7 + 3/4 =
  23. 23.1/2 + 1/3 =
  24. 24.2/6 + 7/9 =
  25. 25.1/7 + 6/9 =
  26. 26.5/7 + 3/7 =
  27. 27.4/10 + 10/12 =
  28. 28.5/7 + 1/6 =
  29. 29.3/4 + 6/8 =
  30. 30.1/2 + 2/10 =
  31. 31.1/3 + 1/3 =
  32. 32.2/5 + 6/7 =
  33. 33.2/9 + 9/11 =
  34. 34.2/3 + 2/8 =
  35. 35.1/11 + 5/9 =
  36. 36.5/10 + 1/8 =
  37. 37.4/5 − 7/10 =
  38. 38.4/7 − 4/9 =
  39. 39.1/4 + 1/2 =
  40. 40.10/12 − 3/5 =

Answer key

  1. 11/30
  2. 9/8
  3. 29/30
  4. 7/6
  5. 27/35
  6. 47/45
  7. 9/22
  8. 59/77
  9. 1/3
  10. 15/14
  11. 17/15
  12. 1/10
  13. 5/6
  14. 7/6
  15. 8/35
  16. 1/6
  17. 19/18
  18. 1/3
  19. 2/15
  20. 5/6
  21. 3/22
  22. 37/28
  23. 5/6
  24. 10/9
  25. 17/21
  26. 8/7
  27. 37/30
  28. 37/42
  29. 3/2
  30. 7/10
  31. 2/3
  32. 44/35
  33. 103/99
  34. 11/12
  35. 64/99
  36. 5/8
  37. 1/10
  38. 8/63
  39. 3/4
  40. 7/30

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