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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 959 · 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. 1.2/7 + 2/7 =
  2. 2.11/12 + 2/11 =
  3. 3.6/9 + 6/7 =
  4. 4.7/8 − 1/12 =
  5. 5.3/5 − 4/11 =
  6. 6.5/7 + 1/11 =
  7. 7.3/5 + 5/9 =
  8. 8.6/8 + 6/7 =
  9. 9.3/5 + 7/8 =
  10. 10.2/5 + 2/5 =
  11. 11.1/2 + 1/3 =
  12. 12.1/5 + 1/7 =
  13. 13.2/3 − 4/8 =
  14. 14.1/2 − 1/5 =
  15. 15.11/12 − 4/6 =
  16. 16.2/6 + 3/6 =
  17. 17.1/2 + 1/2 =
  18. 18.2/3 − 2/7 =
  19. 19.6/9 − 2/5 =
  20. 20.2/9 + 2/6 =
  21. 21.5/8 + 2/5 =
  22. 22.1/2 + 2/9 =
  23. 23.2/10 + 5/8 =
  24. 24.1/4 + 1/9 =
  25. 25.7/8 + 2/12 =
  26. 26.5/12 − 2/5 =
  27. 27.8/9 − 1/4 =
  28. 28.4/7 − 3/12 =
  29. 29.1/2 + 3/9 =
  30. 30.3/12 + 4/11 =
  31. 31.6/8 + 9/10 =
  32. 32.6/12 + 1/7 =
  33. 33.1/4 + 6/10 =
  34. 34.2/4 + 2/8 =
  35. 35.9/11 − 2/3 =
  36. 36.1/9 + 4/9 =
  37. 37.1/8 + 2/5 =
  38. 38.1/3 + 2/4 =
  39. 39.10/12 − 2/9 =
  40. 40.1/5 + 1/3 =

Answer key

  1. 4/7
  2. 145/132
  3. 32/21
  4. 19/24
  5. 13/55
  6. 62/77
  7. 52/45
  8. 45/28
  9. 59/40
  10. 4/5
  11. 5/6
  12. 12/35
  13. 1/6
  14. 3/10
  15. 1/4
  16. 5/6
  17. 1
  18. 8/21
  19. 4/15
  20. 5/9
  21. 41/40
  22. 13/18
  23. 33/40
  24. 13/36
  25. 25/24
  26. 1/60
  27. 23/36
  28. 9/28
  29. 5/6
  30. 27/44
  31. 33/20
  32. 9/14
  33. 17/20
  34. 3/4
  35. 5/33
  36. 5/9
  37. 21/40
  38. 5/6
  39. 11/18
  40. 8/15

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