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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 224 · 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. 1.5/6 + 2/9 =
  2. 2.1/2 − 1/6 =
  3. 3.4/6 + 1/2 =
  4. 4.5/8 + 9/12 =
  5. 5.2/3 − 4/7 =
  6. 6.8/11 + 1/2 =
  7. 7.5/8 − 2/4 =
  8. 8.1/3 − 1/4 =
  9. 9.4/8 + 3/11 =
  10. 10.6/12 − 3/10 =
  11. 11.2/3 − 1/2 =
  12. 12.5/12 + 1/2 =
  13. 13.1/2 + 5/8 =
  14. 14.1/2 + 7/9 =
  15. 15.3/11 − 1/5 =
  16. 16.2/3 + 1/2 =
  17. 17.2/3 − 1/2 =
  18. 18.3/9 − 3/10 =
  19. 19.1/10 + 1/3 =
  20. 20.1/3 − 1/6 =
  21. 21.1/8 + 2/12 =
  22. 22.4/7 + 4/11 =
  23. 23.1/2 − 4/11 =
  24. 24.7/9 + 3/7 =
  25. 25.8/10 − 1/3 =
  26. 26.6/7 − 1/2 =
  27. 27.4/8 − 1/12 =
  28. 28.1/2 + 1/2 =
  29. 29.8/9 − 6/11 =
  30. 30.3/6 − 2/5 =
  31. 31.3/4 − 6/10 =
  32. 32.1/8 − 1/11 =
  33. 33.9/10 − 1/9 =
  34. 34.4/7 + 2/3 =
  35. 35.10/11 + 1/4 =
  36. 36.1/8 + 1/3 =
  37. 37.5/10 + 1/3 =
  38. 38.2/3 − 1/6 =
  39. 39.1/7 + 1/4 =
  40. 40.3/12 + 6/8 =

Answer key

  1. 19/18
  2. 1/3
  3. 7/6
  4. 11/8
  5. 2/21
  6. 27/22
  7. 1/8
  8. 1/12
  9. 17/22
  10. 1/5
  11. 1/6
  12. 11/12
  13. 9/8
  14. 23/18
  15. 4/55
  16. 7/6
  17. 1/6
  18. 1/30
  19. 13/30
  20. 1/6
  21. 7/24
  22. 72/77
  23. 3/22
  24. 76/63
  25. 7/15
  26. 5/14
  27. 5/12
  28. 1
  29. 34/99
  30. 1/10
  31. 3/20
  32. 3/88
  33. 71/90
  34. 26/21
  35. 51/44
  36. 11/24
  37. 5/6
  38. 1/2
  39. 11/28
  40. 1

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