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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 551 · 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. 1.4/8 + 3/5 =
  2. 2.1/4 + 4/6 =
  3. 3.1/2 + 2/8 =
  4. 4.2/3 + 1/2 =
  5. 5.8/10 + 2/4 =
  6. 6.3/4 − 2/3 =
  7. 7.7/9 − 3/4 =
  8. 8.1/4 + 3/4 =
  9. 9.1/2 + 1/3 =
  10. 10.1/5 + 7/9 =
  11. 11.1/3 + 2/3 =
  12. 12.3/7 − 1/12 =
  13. 13.5/11 + 9/11 =
  14. 14.6/11 − 1/6 =
  15. 15.1/8 + 1/6 =
  16. 16.5/11 + 1/9 =
  17. 17.3/7 − 2/5 =
  18. 18.8/12 + 5/10 =
  19. 19.2/3 + 2/6 =
  20. 20.5/10 + 3/8 =
  21. 21.4/6 − 1/11 =
  22. 22.1/2 + 2/9 =
  23. 23.8/9 − 1/12 =
  24. 24.2/6 + 9/10 =
  25. 25.1/4 + 2/4 =
  26. 26.6/11 − 1/2 =
  27. 27.9/11 + 8/12 =
  28. 28.4/9 + 1/2 =
  29. 29.6/7 − 8/11 =
  30. 30.5/6 − 6/10 =
  31. 31.2/4 + 1/2 =
  32. 32.2/6 + 6/8 =
  33. 33.4/9 + 4/7 =
  34. 34.1/4 + 1/3 =
  35. 35.1/2 + 1/2 =
  36. 36.1/2 + 1/2 =
  37. 37.2/4 + 1/2 =
  38. 38.2/11 + 1/4 =
  39. 39.6/9 + 4/11 =
  40. 40.1/11 + 1/9 =

Answer key

  1. 11/10
  2. 11/12
  3. 3/4
  4. 7/6
  5. 13/10
  6. 1/12
  7. 1/36
  8. 1
  9. 5/6
  10. 44/45
  11. 1
  12. 29/84
  13. 14/11
  14. 25/66
  15. 7/24
  16. 56/99
  17. 1/35
  18. 7/6
  19. 1
  20. 7/8
  21. 19/33
  22. 13/18
  23. 29/36
  24. 37/30
  25. 3/4
  26. 1/22
  27. 49/33
  28. 17/18
  29. 10/77
  30. 7/30
  31. 1
  32. 13/12
  33. 64/63
  34. 7/12
  35. 1
  36. 1
  37. 1
  38. 19/44
  39. 34/33
  40. 20/99

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