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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 544 · 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. 1.3/11 + 1/11 =
  2. 2.6/10 + 3/11 =
  3. 3.7/8 + 1/2 =
  4. 4.9/11 − 1/4 =
  5. 5.4/5 − 3/4 =
  6. 6.7/12 + 10/12 =
  7. 7.11/12 − 6/10 =
  8. 8.2/8 + 2/12 =
  9. 9.5/9 − 3/9 =
  10. 10.4/10 + 9/11 =
  11. 11.1/3 + 4/7 =
  12. 12.3/10 + 7/12 =
  13. 13.6/10 + 3/11 =
  14. 14.4/7 + 2/6 =
  15. 15.1/2 + 6/8 =
  16. 16.4/7 − 1/4 =
  17. 17.4/6 + 2/9 =
  18. 18.5/11 + 4/5 =
  19. 19.3/7 + 1/10 =
  20. 20.5/6 − 1/2 =
  21. 21.6/8 − 1/4 =
  22. 22.7/11 + 4/5 =
  23. 23.1/2 + 2/3 =
  24. 24.1/10 + 6/7 =
  25. 25.1/6 + 1/3 =
  26. 26.5/7 + 8/10 =
  27. 27.6/9 + 2/4 =
  28. 28.3/4 − 1/3 =
  29. 29.1/6 + 1/5 =
  30. 30.3/8 + 1/6 =
  31. 31.4/5 + 4/10 =
  32. 32.6/7 − 3/12 =
  33. 33.4/12 + 1/4 =
  34. 34.1/11 + 3/9 =
  35. 35.2/3 + 1/2 =
  36. 36.4/12 + 1/2 =
  37. 37.2/3 + 4/8 =
  38. 38.1/3 + 3/4 =
  39. 39.2/5 − 1/3 =
  40. 40.2/4 + 1/3 =

Answer key

  1. 4/11
  2. 48/55
  3. 11/8
  4. 25/44
  5. 1/20
  6. 17/12
  7. 19/60
  8. 5/12
  9. 2/9
  10. 67/55
  11. 19/21
  12. 53/60
  13. 48/55
  14. 19/21
  15. 5/4
  16. 9/28
  17. 8/9
  18. 69/55
  19. 37/70
  20. 1/3
  21. 1/2
  22. 79/55
  23. 7/6
  24. 67/70
  25. 1/2
  26. 53/35
  27. 7/6
  28. 5/12
  29. 11/30
  30. 13/24
  31. 6/5
  32. 17/28
  33. 7/12
  34. 14/33
  35. 7/6
  36. 5/6
  37. 7/6
  38. 13/12
  39. 1/15
  40. 5/6

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