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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 797 · 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 + 6/11 =
  2. 2.2/10 + 1/11 =
  3. 3.2/3 + 2/10 =
  4. 4.6/8 − 1/4 =
  5. 5.1/2 − 1/4 =
  6. 6.4/9 − 2/7 =
  7. 7.1/2 − 2/11 =
  8. 8.1/6 + 2/3 =
  9. 9.2/5 + 4/8 =
  10. 10.3/11 + 1/12 =
  11. 11.2/3 + 2/4 =
  12. 12.2/5 + 7/12 =
  13. 13.1/4 + 1/2 =
  14. 14.1/2 + 6/8 =
  15. 15.2/11 + 3/4 =
  16. 16.5/7 + 4/7 =
  17. 17.5/12 − 2/5 =
  18. 18.1/2 − 2/12 =
  19. 19.3/4 + 2/6 =
  20. 20.1/2 + 7/10 =
  21. 21.1/3 + 8/9 =
  22. 22.2/7 + 4/10 =
  23. 23.4/7 + 1/2 =
  24. 24.6/8 − 3/8 =
  25. 25.6/10 + 5/6 =
  26. 26.1/3 + 1/9 =
  27. 27.4/6 + 1/2 =
  28. 28.11/12 + 2/5 =
  29. 29.2/5 − 2/8 =
  30. 30.3/6 + 3/12 =
  31. 31.6/11 − 2/12 =
  32. 32.4/8 − 1/6 =
  33. 33.6/11 + 2/5 =
  34. 34.2/4 + 2/10 =
  35. 35.10/12 + 1/5 =
  36. 36.5/8 + 1/5 =
  37. 37.2/3 + 4/9 =
  38. 38.3/7 + 6/8 =
  39. 39.2/11 − 1/7 =
  40. 40.8/10 + 1/2 =

Answer key

  1. 47/66
  2. 16/55
  3. 13/15
  4. 1/2
  5. 1/4
  6. 10/63
  7. 7/22
  8. 5/6
  9. 9/10
  10. 47/132
  11. 7/6
  12. 59/60
  13. 3/4
  14. 5/4
  15. 41/44
  16. 9/7
  17. 1/60
  18. 1/3
  19. 13/12
  20. 6/5
  21. 11/9
  22. 24/35
  23. 15/14
  24. 3/8
  25. 43/30
  26. 4/9
  27. 7/6
  28. 79/60
  29. 3/20
  30. 3/4
  31. 25/66
  32. 1/3
  33. 52/55
  34. 7/10
  35. 31/30
  36. 33/40
  37. 10/9
  38. 33/28
  39. 3/77
  40. 13/10

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