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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 322 · 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. 1.2/5 + 7/12 =
  2. 2.3/5 + 1/2 =
  3. 3.1/2 + 3/10 =
  4. 4.1/9 + 1/2 =
  5. 5.4/10 + 1/5 =
  6. 6.4/10 + 8/9 =
  7. 7.1/3 + 1/4 =
  8. 8.1/2 + 3/8 =
  9. 9.1/2 + 4/7 =
  10. 10.4/9 + 4/8 =
  11. 11.1/4 + 1/3 =
  12. 12.1/6 + 2/3 =
  13. 13.11/12 − 1/6 =
  14. 14.3/4 + 1/3 =
  15. 15.5/8 + 1/3 =
  16. 16.1/2 − 5/12 =
  17. 17.2/5 + 9/10 =
  18. 18.4/5 + 5/8 =
  19. 19.6/10 + 3/9 =
  20. 20.4/7 − 1/7 =
  21. 21.2/4 + 1/3 =
  22. 22.10/12 + 4/8 =
  23. 23.9/12 + 3/4 =
  24. 24.1/6 + 1/4 =
  25. 25.4/8 + 3/11 =
  26. 26.2/3 − 2/5 =
  27. 27.9/10 − 6/8 =
  28. 28.2/5 + 4/6 =
  29. 29.1/12 + 6/7 =
  30. 30.4/7 − 1/2 =
  31. 31.3/7 − 1/12 =
  32. 32.3/9 + 4/10 =
  33. 33.1/2 − 2/11 =
  34. 34.10/11 + 1/4 =
  35. 35.4/5 − 2/12 =
  36. 36.5/12 − 3/10 =
  37. 37.1/7 + 2/5 =
  38. 38.3/5 − 2/6 =
  39. 39.6/10 + 1/3 =
  40. 40.8/9 + 5/11 =

Answer key

  1. 59/60
  2. 11/10
  3. 4/5
  4. 11/18
  5. 3/5
  6. 58/45
  7. 7/12
  8. 7/8
  9. 15/14
  10. 17/18
  11. 7/12
  12. 5/6
  13. 3/4
  14. 13/12
  15. 23/24
  16. 1/12
  17. 13/10
  18. 57/40
  19. 14/15
  20. 3/7
  21. 5/6
  22. 4/3
  23. 3/2
  24. 5/12
  25. 17/22
  26. 4/15
  27. 3/20
  28. 16/15
  29. 79/84
  30. 1/14
  31. 29/84
  32. 11/15
  33. 7/22
  34. 51/44
  35. 19/30
  36. 7/60
  37. 19/35
  38. 4/15
  39. 14/15
  40. 133/99

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