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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 124 · 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. 1.1/3 + 2/6 =
  2. 2.1/2 + 8/11 =
  3. 3.1/3 + 1/2 =
  4. 4.2/6 + 1/6 =
  5. 5.1/2 + 5/6 =
  6. 6.3/8 + 8/11 =
  7. 7.3/4 + 4/5 =
  8. 8.8/10 − 3/11 =
  9. 9.5/7 + 1/7 =
  10. 10.4/10 + 2/6 =
  11. 11.2/10 + 1/3 =
  12. 12.1/2 + 7/10 =
  13. 13.2/10 + 8/10 =
  14. 14.2/4 − 1/3 =
  15. 15.1/3 + 11/12 =
  16. 16.1/3 − 1/9 =
  17. 17.2/3 − 1/6 =
  18. 18.2/3 + 2/3 =
  19. 19.9/12 − 3/12 =
  20. 20.3/7 − 1/4 =
  21. 21.4/12 + 3/6 =
  22. 22.4/9 + 9/10 =
  23. 23.2/4 − 5/11 =
  24. 24.7/8 − 3/5 =
  25. 25.10/11 − 2/12 =
  26. 26.7/12 − 1/2 =
  27. 27.5/11 − 3/7 =
  28. 28.2/12 + 11/12 =
  29. 29.1/2 − 2/9 =
  30. 30.5/6 + 4/10 =
  31. 31.2/4 + 3/10 =
  32. 32.3/11 + 1/2 =
  33. 33.3/5 − 2/8 =
  34. 34.7/9 + 5/7 =
  35. 35.1/3 + 7/12 =
  36. 36.2/3 + 1/4 =
  37. 37.5/6 + 4/6 =
  38. 38.2/5 + 3/4 =
  39. 39.8/9 − 6/11 =
  40. 40.9/12 + 2/6 =

Answer key

  1. 2/3
  2. 27/22
  3. 5/6
  4. 1/2
  5. 4/3
  6. 97/88
  7. 31/20
  8. 29/55
  9. 6/7
  10. 11/15
  11. 8/15
  12. 6/5
  13. 1
  14. 1/6
  15. 5/4
  16. 2/9
  17. 1/2
  18. 4/3
  19. 1/2
  20. 5/28
  21. 5/6
  22. 121/90
  23. 1/22
  24. 11/40
  25. 49/66
  26. 1/12
  27. 2/77
  28. 13/12
  29. 5/18
  30. 37/30
  31. 4/5
  32. 17/22
  33. 7/20
  34. 94/63
  35. 11/12
  36. 11/12
  37. 3/2
  38. 23/20
  39. 34/99
  40. 13/12

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