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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 921 · 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. 1.1/9 + 6/7 =
  2. 2.4/5 − 1/2 =
  3. 3.4/10 + 1/2 =
  4. 4.1/2 + 1/10 =
  5. 5.4/5 + 2/3 =
  6. 6.2/7 + 5/8 =
  7. 7.10/11 − 1/9 =
  8. 8.1/7 − 1/8 =
  9. 9.7/12 + 7/12 =
  10. 10.3/12 + 2/4 =
  11. 11.1/3 + 4/12 =
  12. 12.7/8 − 5/6 =
  13. 13.6/12 + 2/3 =
  14. 14.2/3 − 6/12 =
  15. 15.8/11 + 2/4 =
  16. 16.4/6 + 5/6 =
  17. 17.2/9 + 5/9 =
  18. 18.5/7 − 1/2 =
  19. 19.5/7 + 5/12 =
  20. 20.3/5 + 3/4 =
  21. 21.2/6 + 4/12 =
  22. 22.3/4 + 1/2 =
  23. 23.4/12 + 1/3 =
  24. 24.7/12 + 6/11 =
  25. 25.2/10 + 1/3 =
  26. 26.1/2 + 2/5 =
  27. 27.3/4 + 3/4 =
  28. 28.3/5 − 2/12 =
  29. 29.2/5 + 2/4 =
  30. 30.2/3 + 4/8 =
  31. 31.1/2 + 1/2 =
  32. 32.9/11 − 1/3 =
  33. 33.4/5 − 1/11 =
  34. 34.4/6 + 2/10 =
  35. 35.1/2 + 1/8 =
  36. 36.3/4 + 1/2 =
  37. 37.9/12 + 1/5 =
  38. 38.4/9 + 2/10 =
  39. 39.2/10 + 2/3 =
  40. 40.4/7 + 9/10 =

Answer key

  1. 61/63
  2. 3/10
  3. 9/10
  4. 3/5
  5. 22/15
  6. 51/56
  7. 79/99
  8. 1/56
  9. 7/6
  10. 3/4
  11. 2/3
  12. 1/24
  13. 7/6
  14. 1/6
  15. 27/22
  16. 3/2
  17. 7/9
  18. 3/14
  19. 95/84
  20. 27/20
  21. 2/3
  22. 5/4
  23. 2/3
  24. 149/132
  25. 8/15
  26. 9/10
  27. 3/2
  28. 13/30
  29. 9/10
  30. 7/6
  31. 1
  32. 16/33
  33. 39/55
  34. 13/15
  35. 5/8
  36. 5/4
  37. 19/20
  38. 29/45
  39. 13/15
  40. 103/70

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