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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 740 · 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. 1.1/3 + 4/12 =
  2. 2.9/12 + 2/3 =
  3. 3.2/4 + 2/4 =
  4. 4.6/7 − 3/4 =
  5. 5.1/3 + 1/2 =
  6. 6.2/9 − 2/11 =
  7. 7.3/6 + 2/5 =
  8. 8.7/12 − 3/9 =
  9. 9.7/8 + 4/5 =
  10. 10.2/3 + 4/5 =
  11. 11.3/12 − 1/6 =
  12. 12.2/3 + 2/12 =
  13. 13.1/11 + 2/3 =
  14. 14.2/4 − 2/11 =
  15. 15.1/2 + 3/9 =
  16. 16.2/8 + 3/12 =
  17. 17.5/9 + 1/4 =
  18. 18.2/5 − 1/11 =
  19. 19.3/5 + 5/9 =
  20. 20.10/11 + 1/4 =
  21. 21.4/10 − 2/9 =
  22. 22.1/8 + 6/10 =
  23. 23.5/6 − 2/9 =
  24. 24.2/5 + 1/2 =
  25. 25.1/3 + 2/3 =
  26. 26.1/2 + 2/9 =
  27. 27.1/2 + 2/3 =
  28. 28.3/5 − 3/12 =
  29. 29.2/6 + 1/3 =
  30. 30.3/12 + 1/2 =
  31. 31.2/3 + 1/2 =
  32. 32.3/6 − 1/5 =
  33. 33.6/11 + 3/8 =
  34. 34.5/7 + 8/9 =
  35. 35.3/4 − 4/7 =
  36. 36.5/7 − 1/6 =
  37. 37.1/2 − 4/12 =
  38. 38.5/12 + 1/2 =
  39. 39.3/4 + 1/2 =
  40. 40.1/3 − 1/8 =

Answer key

  1. 2/3
  2. 17/12
  3. 1
  4. 3/28
  5. 5/6
  6. 4/99
  7. 9/10
  8. 1/4
  9. 67/40
  10. 22/15
  11. 1/12
  12. 5/6
  13. 25/33
  14. 7/22
  15. 5/6
  16. 1/2
  17. 29/36
  18. 17/55
  19. 52/45
  20. 51/44
  21. 8/45
  22. 29/40
  23. 11/18
  24. 9/10
  25. 1
  26. 13/18
  27. 7/6
  28. 7/20
  29. 2/3
  30. 3/4
  31. 7/6
  32. 3/10
  33. 81/88
  34. 101/63
  35. 5/28
  36. 23/42
  37. 1/6
  38. 11/12
  39. 5/4
  40. 5/24

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