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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 963 · 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. 1.7/10 − 2/3 =
  2. 2.3/12 − 1/6 =
  3. 3.5/9 + 4/5 =
  4. 4.3/4 + 8/12 =
  5. 5.1/2 + 7/12 =
  6. 6.5/7 − 3/8 =
  7. 7.4/11 + 1/7 =
  8. 8.6/12 + 1/4 =
  9. 9.7/9 + 5/9 =
  10. 10.6/7 + 6/7 =
  11. 11.2/7 + 3/4 =
  12. 12.1/3 + 2/4 =
  13. 13.7/12 + 2/4 =
  14. 14.7/8 − 1/2 =
  15. 15.8/12 − 2/5 =
  16. 16.2/3 + 1/7 =
  17. 17.1/3 + 1/12 =
  18. 18.3/7 + 3/6 =
  19. 19.6/11 + 6/11 =
  20. 20.1/3 + 2/4 =
  21. 21.3/6 − 3/8 =
  22. 22.2/9 + 1/2 =
  23. 23.2/6 + 1/3 =
  24. 24.7/11 + 4/5 =
  25. 25.3/5 + 6/10 =
  26. 26.3/7 + 7/11 =
  27. 27.1/2 + 3/10 =
  28. 28.2/7 − 1/9 =
  29. 29.1/2 − 3/9 =
  30. 30.5/6 + 1/3 =
  31. 31.10/12 + 1/3 =
  32. 32.3/5 − 1/3 =
  33. 33.1/2 + 1/4 =
  34. 34.3/4 + 3/7 =
  35. 35.3/6 + 10/12 =
  36. 36.3/4 − 3/12 =
  37. 37.1/3 + 1/2 =
  38. 38.3/10 + 2/5 =
  39. 39.1/3 + 2/7 =
  40. 40.1/3 + 1/4 =

Answer key

  1. 1/30
  2. 1/12
  3. 61/45
  4. 17/12
  5. 13/12
  6. 19/56
  7. 39/77
  8. 3/4
  9. 4/3
  10. 12/7
  11. 29/28
  12. 5/6
  13. 13/12
  14. 3/8
  15. 4/15
  16. 17/21
  17. 5/12
  18. 13/14
  19. 12/11
  20. 5/6
  21. 1/8
  22. 13/18
  23. 2/3
  24. 79/55
  25. 6/5
  26. 82/77
  27. 4/5
  28. 11/63
  29. 1/6
  30. 7/6
  31. 7/6
  32. 4/15
  33. 3/4
  34. 33/28
  35. 4/3
  36. 1/2
  37. 5/6
  38. 7/10
  39. 13/21
  40. 7/12

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