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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 531 · 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. 1.1/4 + 1/3 =
  2. 2.11/12 + 2/8 =
  3. 3.1/2 − 3/11 =
  4. 4.3/7 − 1/3 =
  5. 5.6/8 − 4/8 =
  6. 6.2/3 − 1/6 =
  7. 7.2/3 + 3/6 =
  8. 8.6/12 − 1/5 =
  9. 9.3/8 − 1/5 =
  10. 10.2/7 + 1/3 =
  11. 11.3/12 + 2/4 =
  12. 12.5/7 + 1/2 =
  13. 13.2/6 + 7/8 =
  14. 14.1/9 + 4/5 =
  15. 15.7/10 − 2/12 =
  16. 16.4/5 − 1/2 =
  17. 17.7/11 + 8/12 =
  18. 18.1/4 + 1/2 =
  19. 19.2/3 − 2/4 =
  20. 20.1/2 + 1/3 =
  21. 21.2/3 − 1/4 =
  22. 22.7/12 + 2/3 =
  23. 23.2/10 + 1/8 =
  24. 24.4/5 + 4/7 =
  25. 25.1/2 − 1/9 =
  26. 26.1/11 + 2/3 =
  27. 27.8/11 + 1/4 =
  28. 28.2/3 + 7/12 =
  29. 29.4/9 + 2/7 =
  30. 30.3/6 − 1/9 =
  31. 31.4/5 − 1/10 =
  32. 32.5/6 + 1/3 =
  33. 33.1/2 + 1/8 =
  34. 34.1/8 + 1/2 =
  35. 35.1/6 + 1/2 =
  36. 36.4/12 + 5/6 =
  37. 37.2/10 − 1/11 =
  38. 38.4/12 + 5/7 =
  39. 39.2/3 − 1/2 =
  40. 40.1/8 − 1/10 =

Answer key

  1. 7/12
  2. 7/6
  3. 5/22
  4. 2/21
  5. 1/4
  6. 1/2
  7. 7/6
  8. 3/10
  9. 7/40
  10. 13/21
  11. 3/4
  12. 17/14
  13. 29/24
  14. 41/45
  15. 8/15
  16. 3/10
  17. 43/33
  18. 3/4
  19. 1/6
  20. 5/6
  21. 5/12
  22. 5/4
  23. 13/40
  24. 48/35
  25. 7/18
  26. 25/33
  27. 43/44
  28. 5/4
  29. 46/63
  30. 7/18
  31. 7/10
  32. 7/6
  33. 5/8
  34. 5/8
  35. 2/3
  36. 7/6
  37. 6/55
  38. 22/21
  39. 1/6
  40. 1/40

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