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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 496 · 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. 1.3/7 + 1/2 =
  2. 2.8/12 + 1/3 =
  3. 3.1/9 + 1/3 =
  4. 4.6/8 − 5/11 =
  5. 5.10/11 − 2/7 =
  6. 6.7/12 − 1/4 =
  7. 7.3/11 − 1/12 =
  8. 8.1/3 + 1/2 =
  9. 9.3/11 + 1/2 =
  10. 10.7/12 − 1/4 =
  11. 11.1/5 + 3/10 =
  12. 12.2/3 + 1/2 =
  13. 13.1/4 + 10/12 =
  14. 14.2/7 − 1/4 =
  15. 15.3/12 + 3/7 =
  16. 16.1/2 − 5/11 =
  17. 17.3/10 + 1/4 =
  18. 18.4/7 − 3/7 =
  19. 19.3/4 + 1/3 =
  20. 20.1/10 + 7/12 =
  21. 21.9/11 + 3/5 =
  22. 22.4/9 − 1/3 =
  23. 23.8/12 − 2/10 =
  24. 24.4/12 − 3/11 =
  25. 25.2/10 + 2/3 =
  26. 26.7/8 − 2/10 =
  27. 27.2/4 + 4/5 =
  28. 28.5/7 − 2/6 =
  29. 29.2/8 + 2/3 =
  30. 30.4/11 + 1/2 =
  31. 31.3/5 − 3/7 =
  32. 32.1/2 + 2/5 =
  33. 33.4/11 + 1/9 =
  34. 34.2/3 + 1/4 =
  35. 35.1/2 + 2/4 =
  36. 36.3/7 + 1/2 =
  37. 37.2/7 − 1/4 =
  38. 38.1/2 + 1/2 =
  39. 39.2/3 − 1/2 =
  40. 40.6/7 − 1/10 =

Answer key

  1. 13/14
  2. 1
  3. 4/9
  4. 13/44
  5. 48/77
  6. 1/3
  7. 25/132
  8. 5/6
  9. 17/22
  10. 1/3
  11. 1/2
  12. 7/6
  13. 13/12
  14. 1/28
  15. 19/28
  16. 1/22
  17. 11/20
  18. 1/7
  19. 13/12
  20. 41/60
  21. 78/55
  22. 1/9
  23. 7/15
  24. 2/33
  25. 13/15
  26. 27/40
  27. 13/10
  28. 8/21
  29. 11/12
  30. 19/22
  31. 6/35
  32. 9/10
  33. 47/99
  34. 11/12
  35. 1
  36. 13/14
  37. 1/28
  38. 1
  39. 1/6
  40. 53/70

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