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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 914 · 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. 1.4/10 + 1/4 =
  2. 2.1/3 + 1/4 =
  3. 3.2/3 + 1/2 =
  4. 4.3/7 − 1/8 =
  5. 5.4/6 − 1/9 =
  6. 6.5/6 + 3/11 =
  7. 7.1/4 + 2/5 =
  8. 8.5/12 + 1/3 =
  9. 9.4/6 + 2/3 =
  10. 10.4/5 + 1/3 =
  11. 11.5/7 + 2/3 =
  12. 12.5/7 − 2/9 =
  13. 13.10/12 + 1/2 =
  14. 14.4/5 + 2/5 =
  15. 15.2/3 + 2/8 =
  16. 16.5/6 + 1/3 =
  17. 17.1/2 + 3/8 =
  18. 18.4/8 + 3/6 =
  19. 19.4/7 + 10/12 =
  20. 20.1/2 + 1/3 =
  21. 21.1/9 + 3/9 =
  22. 22.5/9 + 8/10 =
  23. 23.6/8 + 3/4 =
  24. 24.2/7 + 1/3 =
  25. 25.1/2 − 1/6 =
  26. 26.5/6 + 2/10 =
  27. 27.1/6 + 3/4 =
  28. 28.2/10 + 1/3 =
  29. 29.1/2 + 10/11 =
  30. 30.4/9 + 3/7 =
  31. 31.1/8 + 7/10 =
  32. 32.1/5 + 2/5 =
  33. 33.1/2 + 4/5 =
  34. 34.4/5 + 2/7 =
  35. 35.8/10 − 3/6 =
  36. 36.1/2 + 2/3 =
  37. 37.2/7 + 5/6 =
  38. 38.6/12 + 1/3 =
  39. 39.1/5 + 10/11 =
  40. 40.3/12 − 1/6 =

Answer key

  1. 13/20
  2. 7/12
  3. 7/6
  4. 17/56
  5. 5/9
  6. 73/66
  7. 13/20
  8. 3/4
  9. 4/3
  10. 17/15
  11. 29/21
  12. 31/63
  13. 4/3
  14. 6/5
  15. 11/12
  16. 7/6
  17. 7/8
  18. 1
  19. 59/42
  20. 5/6
  21. 4/9
  22. 61/45
  23. 3/2
  24. 13/21
  25. 1/3
  26. 31/30
  27. 11/12
  28. 8/15
  29. 31/22
  30. 55/63
  31. 33/40
  32. 3/5
  33. 13/10
  34. 38/35
  35. 3/10
  36. 7/6
  37. 47/42
  38. 5/6
  39. 61/55
  40. 1/12

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