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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 875 · 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. 1.3/11 + 2/4 =
  2. 2.5/6 − 2/4 =
  3. 3.3/5 − 3/12 =
  4. 4.7/11 + 2/4 =
  5. 5.3/5 − 4/8 =
  6. 6.6/11 − 1/4 =
  7. 7.1/7 + 4/9 =
  8. 8.1/2 − 2/6 =
  9. 9.1/2 + 1/9 =
  10. 10.8/9 − 3/7 =
  11. 11.2/4 + 6/10 =
  12. 12.9/12 − 1/11 =
  13. 13.4/5 + 5/7 =
  14. 14.1/11 + 10/12 =
  15. 15.5/7 + 1/2 =
  16. 16.6/9 + 6/10 =
  17. 17.4/6 − 6/12 =
  18. 18.6/7 + 3/4 =
  19. 19.7/11 − 1/3 =
  20. 20.3/4 + 2/5 =
  21. 21.1/2 + 1/12 =
  22. 22.6/8 + 2/12 =
  23. 23.5/7 − 4/11 =
  24. 24.3/11 − 1/5 =
  25. 25.5/12 − 2/5 =
  26. 26.1/2 + 1/2 =
  27. 27.3/4 − 5/12 =
  28. 28.8/9 − 10/12 =
  29. 29.7/8 + 1/3 =
  30. 30.1/5 − 2/11 =
  31. 31.1/10 + 4/10 =
  32. 32.7/8 − 5/6 =
  33. 33.1/2 + 1/2 =
  34. 34.9/11 + 1/3 =
  35. 35.1/2 + 2/5 =
  36. 36.1/2 − 2/5 =
  37. 37.1/2 − 3/8 =
  38. 38.9/12 − 8/12 =
  39. 39.1/2 + 3/8 =
  40. 40.2/3 + 1/4 =

Answer key

  1. 17/22
  2. 1/3
  3. 7/20
  4. 25/22
  5. 1/10
  6. 13/44
  7. 37/63
  8. 1/6
  9. 11/18
  10. 29/63
  11. 11/10
  12. 29/44
  13. 53/35
  14. 61/66
  15. 17/14
  16. 19/15
  17. 1/6
  18. 45/28
  19. 10/33
  20. 23/20
  21. 7/12
  22. 11/12
  23. 27/77
  24. 4/55
  25. 1/60
  26. 1
  27. 1/3
  28. 1/18
  29. 29/24
  30. 1/55
  31. 1/2
  32. 1/24
  33. 1
  34. 38/33
  35. 9/10
  36. 1/10
  37. 1/8
  38. 1/12
  39. 7/8
  40. 11/12

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