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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 115 · 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 + 1/3 =
  2. 2.1/4 + 2/3 =
  3. 3.4/5 − 1/11 =
  4. 4.1/3 + 9/12 =
  5. 5.1/7 + 1/7 =
  6. 6.6/9 − 1/7 =
  7. 7.3/5 + 7/9 =
  8. 8.2/3 + 1/3 =
  9. 9.1/2 + 4/8 =
  10. 10.7/8 − 1/4 =
  11. 11.7/8 − 6/11 =
  12. 12.2/3 + 7/9 =
  13. 13.2/10 + 1/5 =
  14. 14.7/11 − 1/5 =
  15. 15.1/2 − 1/3 =
  16. 16.7/8 − 2/10 =
  17. 17.4/12 + 2/3 =
  18. 18.6/10 + 5/6 =
  19. 19.2/12 + 7/12 =
  20. 20.1/4 + 2/8 =
  21. 21.1/3 − 1/4 =
  22. 22.4/11 + 1/5 =
  23. 23.1/3 + 7/12 =
  24. 24.3/5 + 6/7 =
  25. 25.9/10 + 1/2 =
  26. 26.5/6 − 1/2 =
  27. 27.10/12 + 10/12 =
  28. 28.7/9 + 7/8 =
  29. 29.9/10 + 7/11 =
  30. 30.4/5 + 1/3 =
  31. 31.3/7 − 1/4 =
  32. 32.3/6 + 1/2 =
  33. 33.5/6 + 5/7 =
  34. 34.3/12 − 1/6 =
  35. 35.2/11 + 4/5 =
  36. 36.2/7 − 1/5 =
  37. 37.8/10 + 1/2 =
  38. 38.7/12 + 4/12 =
  39. 39.8/12 − 1/3 =
  40. 40.3/8 + 9/10 =

Answer key

  1. 1
  2. 11/12
  3. 39/55
  4. 13/12
  5. 2/7
  6. 11/21
  7. 62/45
  8. 1
  9. 1
  10. 5/8
  11. 29/88
  12. 13/9
  13. 2/5
  14. 24/55
  15. 1/6
  16. 27/40
  17. 1
  18. 43/30
  19. 3/4
  20. 1/2
  21. 1/12
  22. 31/55
  23. 11/12
  24. 51/35
  25. 7/5
  26. 1/3
  27. 5/3
  28. 119/72
  29. 169/110
  30. 17/15
  31. 5/28
  32. 1
  33. 65/42
  34. 1/12
  35. 54/55
  36. 3/35
  37. 13/10
  38. 11/12
  39. 1/3
  40. 51/40

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