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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 666 · 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. 1.1/6 + 5/8 =
  2. 2.6/7 + 3/11 =
  3. 3.5/9 + 2/11 =
  4. 4.5/8 + 7/11 =
  5. 5.3/4 + 10/12 =
  6. 6.4/5 + 1/2 =
  7. 7.2/3 + 11/12 =
  8. 8.4/11 − 1/4 =
  9. 9.2/8 + 1/2 =
  10. 10.2/5 + 5/6 =
  11. 11.2/5 + 1/3 =
  12. 12.3/12 + 2/4 =
  13. 13.6/8 − 2/4 =
  14. 14.5/11 − 1/3 =
  15. 15.5/6 − 9/12 =
  16. 16.1/5 + 5/10 =
  17. 17.6/12 + 3/4 =
  18. 18.5/8 − 1/9 =
  19. 19.2/4 − 4/12 =
  20. 20.2/5 + 5/9 =
  21. 21.3/8 + 2/5 =
  22. 22.6/8 − 1/3 =
  23. 23.1/4 + 3/9 =
  24. 24.6/7 − 1/5 =
  25. 25.9/12 − 2/7 =
  26. 26.1/5 + 1/2 =
  27. 27.6/8 + 1/2 =
  28. 28.7/9 + 9/12 =
  29. 29.10/11 − 1/3 =
  30. 30.8/10 − 2/3 =
  31. 31.1/5 + 1/3 =
  32. 32.1/10 + 1/2 =
  33. 33.1/11 + 1/6 =
  34. 34.1/3 + 3/8 =
  35. 35.1/2 + 4/11 =
  36. 36.3/12 + 3/5 =
  37. 37.1/3 + 1/2 =
  38. 38.6/7 − 1/2 =
  39. 39.8/10 + 9/11 =
  40. 40.4/5 − 2/5 =

Answer key

  1. 19/24
  2. 87/77
  3. 73/99
  4. 111/88
  5. 19/12
  6. 13/10
  7. 19/12
  8. 5/44
  9. 3/4
  10. 37/30
  11. 11/15
  12. 3/4
  13. 1/4
  14. 4/33
  15. 1/12
  16. 7/10
  17. 5/4
  18. 37/72
  19. 1/6
  20. 43/45
  21. 31/40
  22. 5/12
  23. 7/12
  24. 23/35
  25. 13/28
  26. 7/10
  27. 5/4
  28. 55/36
  29. 19/33
  30. 2/15
  31. 8/15
  32. 3/5
  33. 17/66
  34. 17/24
  35. 19/22
  36. 17/20
  37. 5/6
  38. 5/14
  39. 89/55
  40. 2/5

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