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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 204 · 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. 1.6/7 + 6/11 =
  2. 2.4/9 + 1/2 =
  3. 3.3/4 − 1/8 =
  4. 4.1/3 + 3/12 =
  5. 5.2/9 − 1/8 =
  6. 6.7/12 + 1/4 =
  7. 7.4/7 − 2/4 =
  8. 8.6/8 + 1/4 =
  9. 9.8/10 + 3/4 =
  10. 10.4/5 + 1/2 =
  11. 11.1/2 + 1/3 =
  12. 12.3/10 + 1/2 =
  13. 13.6/9 + 4/8 =
  14. 14.5/8 + 1/4 =
  15. 15.6/8 + 1/5 =
  16. 16.2/8 + 4/7 =
  17. 17.1/8 + 1/10 =
  18. 18.8/12 + 1/4 =
  19. 19.1/4 − 2/12 =
  20. 20.4/8 + 9/11 =
  21. 21.1/2 + 5/9 =
  22. 22.3/8 − 1/5 =
  23. 23.2/4 + 4/7 =
  24. 24.2/6 + 5/8 =
  25. 25.5/6 + 2/3 =
  26. 26.4/8 − 1/3 =
  27. 27.2/3 + 1/3 =
  28. 28.5/7 + 3/5 =
  29. 29.1/2 + 4/8 =
  30. 30.1/4 + 5/12 =
  31. 31.2/6 + 6/10 =
  32. 32.9/11 − 4/7 =
  33. 33.6/9 + 1/12 =
  34. 34.1/7 + 1/7 =
  35. 35.7/11 + 2/5 =
  36. 36.4/6 + 10/12 =
  37. 37.4/5 + 1/5 =
  38. 38.6/12 − 1/5 =
  39. 39.4/5 + 1/10 =
  40. 40.7/8 − 5/8 =

Answer key

  1. 108/77
  2. 17/18
  3. 5/8
  4. 7/12
  5. 7/72
  6. 5/6
  7. 1/14
  8. 1
  9. 31/20
  10. 13/10
  11. 5/6
  12. 4/5
  13. 7/6
  14. 7/8
  15. 19/20
  16. 23/28
  17. 9/40
  18. 11/12
  19. 1/12
  20. 29/22
  21. 19/18
  22. 7/40
  23. 15/14
  24. 23/24
  25. 3/2
  26. 1/6
  27. 1
  28. 46/35
  29. 1
  30. 2/3
  31. 14/15
  32. 19/77
  33. 3/4
  34. 2/7
  35. 57/55
  36. 3/2
  37. 1
  38. 3/10
  39. 9/10
  40. 1/4

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