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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 985 · 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. 1.2/5 − 1/7 =
  2. 2.6/11 + 5/9 =
  3. 3.5/6 − 8/11 =
  4. 4.1/9 + 1/3 =
  5. 5.6/7 − 6/8 =
  6. 6.2/4 − 3/8 =
  7. 7.3/7 − 4/12 =
  8. 8.2/3 − 1/5 =
  9. 9.6/8 + 1/10 =
  10. 10.1/2 + 1/8 =
  11. 11.6/8 + 5/10 =
  12. 12.8/11 + 2/12 =
  13. 13.5/6 − 4/6 =
  14. 14.1/4 + 1/4 =
  15. 15.4/11 + 3/5 =
  16. 16.5/6 − 3/5 =
  17. 17.9/11 − 3/8 =
  18. 18.6/7 − 4/7 =
  19. 19.1/3 + 8/12 =
  20. 20.5/6 + 2/3 =
  21. 21.4/7 + 1/2 =
  22. 22.4/8 − 1/11 =
  23. 23.7/8 + 2/5 =
  24. 24.6/7 + 4/11 =
  25. 25.9/11 + 1/2 =
  26. 26.6/12 + 9/12 =
  27. 27.4/8 + 4/5 =
  28. 28.9/11 + 7/11 =
  29. 29.3/4 − 2/4 =
  30. 30.3/4 + 2/3 =
  31. 31.3/6 − 1/4 =
  32. 32.2/11 + 3/5 =
  33. 33.7/10 − 1/5 =
  34. 34.2/11 + 2/8 =
  35. 35.5/11 − 2/5 =
  36. 36.6/10 + 6/7 =
  37. 37.1/3 − 3/10 =
  38. 38.3/6 − 1/3 =
  39. 39.9/12 + 1/8 =
  40. 40.1/3 − 2/12 =

Answer key

  1. 9/35
  2. 109/99
  3. 7/66
  4. 4/9
  5. 3/28
  6. 1/8
  7. 2/21
  8. 7/15
  9. 17/20
  10. 5/8
  11. 5/4
  12. 59/66
  13. 1/6
  14. 1/2
  15. 53/55
  16. 7/30
  17. 39/88
  18. 2/7
  19. 1
  20. 3/2
  21. 15/14
  22. 9/22
  23. 51/40
  24. 94/77
  25. 29/22
  26. 5/4
  27. 13/10
  28. 16/11
  29. 1/4
  30. 17/12
  31. 1/4
  32. 43/55
  33. 1/2
  34. 19/44
  35. 3/55
  36. 51/35
  37. 1/30
  38. 1/6
  39. 7/8
  40. 1/6

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