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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 818 · 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 + 3/10 =
  2. 2.1/2 + 5/6 =
  3. 3.2/5 + 3/12 =
  4. 4.5/12 + 6/11 =
  5. 5.3/4 + 2/12 =
  6. 6.1/5 + 4/8 =
  7. 7.2/3 − 1/3 =
  8. 8.2/3 − 3/5 =
  9. 9.5/10 − 1/4 =
  10. 10.4/8 + 9/10 =
  11. 11.5/9 + 2/8 =
  12. 12.4/7 − 1/5 =
  13. 13.4/8 + 1/2 =
  14. 14.3/11 + 7/12 =
  15. 15.5/8 − 5/9 =
  16. 16.2/9 + 1/2 =
  17. 17.7/10 + 4/5 =
  18. 18.1/3 + 5/10 =
  19. 19.2/3 + 1/2 =
  20. 20.2/6 + 5/6 =
  21. 21.4/11 + 9/11 =
  22. 22.2/3 + 1/5 =
  23. 23.4/7 − 2/4 =
  24. 24.9/12 − 5/11 =
  25. 25.1/3 + 7/10 =
  26. 26.5/10 + 1/2 =
  27. 27.3/5 + 1/11 =
  28. 28.4/10 + 1/7 =
  29. 29.3/11 + 5/6 =
  30. 30.7/8 − 6/9 =
  31. 31.6/10 + 5/6 =
  32. 32.3/12 + 1/2 =
  33. 33.7/9 + 1/10 =
  34. 34.1/2 + 11/12 =
  35. 35.1/3 + 4/5 =
  36. 36.2/3 + 3/11 =
  37. 37.3/4 − 2/4 =
  38. 38.1/5 + 2/8 =
  39. 39.3/6 + 1/8 =
  40. 40.1/2 + 4/7 =

Answer key

  1. 7/10
  2. 4/3
  3. 13/20
  4. 127/132
  5. 11/12
  6. 7/10
  7. 1/3
  8. 1/15
  9. 1/4
  10. 7/5
  11. 29/36
  12. 13/35
  13. 1
  14. 113/132
  15. 5/72
  16. 13/18
  17. 3/2
  18. 5/6
  19. 7/6
  20. 7/6
  21. 13/11
  22. 13/15
  23. 1/14
  24. 13/44
  25. 31/30
  26. 1
  27. 38/55
  28. 19/35
  29. 73/66
  30. 5/24
  31. 43/30
  32. 3/4
  33. 79/90
  34. 17/12
  35. 17/15
  36. 31/33
  37. 1/4
  38. 9/20
  39. 5/8
  40. 15/14

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