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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 414 · 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. 1.2/3 + 5/6 =
  2. 2.4/7 + 10/11 =
  3. 3.2/9 − 1/9 =
  4. 4.1/2 − 3/9 =
  5. 5.3/4 − 1/2 =
  6. 6.1/6 + 5/9 =
  7. 7.1/2 + 5/6 =
  8. 8.5/9 + 2/11 =
  9. 9.1/4 + 3/5 =
  10. 10.3/5 + 6/11 =
  11. 11.1/3 + 3/4 =
  12. 12.4/12 + 6/7 =
  13. 13.9/11 + 5/6 =
  14. 14.7/8 − 1/2 =
  15. 15.5/11 + 1/2 =
  16. 16.1/4 + 7/12 =
  17. 17.7/12 − 2/10 =
  18. 18.1/8 + 3/4 =
  19. 19.1/9 + 7/10 =
  20. 20.1/4 + 1/5 =
  21. 21.6/10 + 1/3 =
  22. 22.2/9 − 1/8 =
  23. 23.1/9 + 9/10 =
  24. 24.1/2 + 5/8 =
  25. 25.1/2 + 5/6 =
  26. 26.4/5 + 4/8 =
  27. 27.1/2 + 3/6 =
  28. 28.3/10 + 9/11 =
  29. 29.4/7 + 1/2 =
  30. 30.4/6 + 1/2 =
  31. 31.1/2 + 1/2 =
  32. 32.8/9 − 3/6 =
  33. 33.4/6 − 1/2 =
  34. 34.3/4 + 6/10 =
  35. 35.1/12 + 6/12 =
  36. 36.1/2 + 1/2 =
  37. 37.1/4 + 2/10 =
  38. 38.2/11 + 1/4 =
  39. 39.2/6 + 5/6 =
  40. 40.4/12 + 2/8 =

Answer key

  1. 3/2
  2. 114/77
  3. 1/9
  4. 1/6
  5. 1/4
  6. 13/18
  7. 4/3
  8. 73/99
  9. 17/20
  10. 63/55
  11. 13/12
  12. 25/21
  13. 109/66
  14. 3/8
  15. 21/22
  16. 5/6
  17. 23/60
  18. 7/8
  19. 73/90
  20. 9/20
  21. 14/15
  22. 7/72
  23. 91/90
  24. 9/8
  25. 4/3
  26. 13/10
  27. 1
  28. 123/110
  29. 15/14
  30. 7/6
  31. 1
  32. 7/18
  33. 1/6
  34. 27/20
  35. 7/12
  36. 1
  37. 9/20
  38. 19/44
  39. 7/6
  40. 7/12

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