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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 507 · 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. 1.3/9 + 1/4 =
  2. 2.3/4 − 3/8 =
  3. 3.1/7 + 6/12 =
  4. 4.6/7 − 2/7 =
  5. 5.7/8 − 2/5 =
  6. 6.4/5 − 1/3 =
  7. 7.2/8 + 9/10 =
  8. 8.4/8 + 5/6 =
  9. 9.3/4 − 2/5 =
  10. 10.2/3 + 1/2 =
  11. 11.1/6 − 1/10 =
  12. 12.3/4 − 2/6 =
  13. 13.6/12 + 5/10 =
  14. 14.1/2 − 1/6 =
  15. 15.2/3 + 2/3 =
  16. 16.2/5 + 3/11 =
  17. 17.5/9 + 2/7 =
  18. 18.2/3 − 1/5 =
  19. 19.8/11 + 10/12 =
  20. 20.6/9 − 2/4 =
  21. 21.8/10 − 2/5 =
  22. 22.3/9 − 1/8 =
  23. 23.10/12 + 1/3 =
  24. 24.3/6 + 2/9 =
  25. 25.2/6 + 2/10 =
  26. 26.8/10 + 9/11 =
  27. 27.1/2 + 2/3 =
  28. 28.1/3 + 3/4 =
  29. 29.9/10 − 3/4 =
  30. 30.1/6 + 1/2 =
  31. 31.8/9 + 4/5 =
  32. 32.5/10 − 1/4 =
  33. 33.6/10 + 5/11 =
  34. 34.2/7 + 4/5 =
  35. 35.2/3 + 7/9 =
  36. 36.1/4 + 1/11 =
  37. 37.1/2 + 1/4 =
  38. 38.3/4 + 2/4 =
  39. 39.4/6 − 1/5 =
  40. 40.4/5 + 1/2 =

Answer key

  1. 7/12
  2. 3/8
  3. 9/14
  4. 4/7
  5. 19/40
  6. 7/15
  7. 23/20
  8. 4/3
  9. 7/20
  10. 7/6
  11. 1/15
  12. 5/12
  13. 1
  14. 1/3
  15. 4/3
  16. 37/55
  17. 53/63
  18. 7/15
  19. 103/66
  20. 1/6
  21. 2/5
  22. 5/24
  23. 7/6
  24. 13/18
  25. 8/15
  26. 89/55
  27. 7/6
  28. 13/12
  29. 3/20
  30. 2/3
  31. 76/45
  32. 1/4
  33. 58/55
  34. 38/35
  35. 13/9
  36. 15/44
  37. 3/4
  38. 5/4
  39. 7/15
  40. 13/10

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