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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 894 · 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. 1.2/6 − 1/10 =
  2. 2.1/2 − 5/12 =
  3. 3.4/7 − 1/5 =
  4. 4.10/12 − 5/11 =
  5. 5.3/9 + 1/8 =
  6. 6.1/6 − 1/7 =
  7. 7.2/7 − 1/5 =
  8. 8.1/4 − 1/10 =
  9. 9.8/11 − 1/4 =
  10. 10.6/12 − 3/7 =
  11. 11.3/6 + 2/3 =
  12. 12.2/11 + 1/5 =
  13. 13.4/5 + 9/10 =
  14. 14.8/11 + 1/5 =
  15. 15.2/3 − 1/2 =
  16. 16.1/11 + 2/3 =
  17. 17.4/7 + 3/4 =
  18. 18.1/9 + 3/8 =
  19. 19.6/10 − 4/7 =
  20. 20.5/7 − 4/9 =
  21. 21.6/8 + 2/7 =
  22. 22.4/10 + 1/2 =
  23. 23.5/6 + 7/10 =
  24. 24.2/7 + 1/5 =
  25. 25.2/3 + 4/8 =
  26. 26.6/12 + 1/3 =
  27. 27.6/9 − 3/6 =
  28. 28.2/7 + 1/3 =
  29. 29.3/4 + 1/4 =
  30. 30.3/5 − 1/2 =
  31. 31.2/3 − 3/5 =
  32. 32.7/9 − 6/11 =
  33. 33.1/12 + 3/4 =
  34. 34.11/12 − 1/3 =
  35. 35.4/8 − 1/4 =
  36. 36.9/10 − 1/8 =
  37. 37.8/9 − 1/2 =
  38. 38.1/6 + 2/12 =
  39. 39.6/10 + 5/8 =
  40. 40.1/4 + 2/7 =

Answer key

  1. 7/30
  2. 1/12
  3. 13/35
  4. 25/66
  5. 11/24
  6. 1/42
  7. 3/35
  8. 3/20
  9. 21/44
  10. 1/14
  11. 7/6
  12. 21/55
  13. 17/10
  14. 51/55
  15. 1/6
  16. 25/33
  17. 37/28
  18. 35/72
  19. 1/35
  20. 17/63
  21. 29/28
  22. 9/10
  23. 23/15
  24. 17/35
  25. 7/6
  26. 5/6
  27. 1/6
  28. 13/21
  29. 1
  30. 1/10
  31. 1/15
  32. 23/99
  33. 5/6
  34. 7/12
  35. 1/4
  36. 31/40
  37. 7/18
  38. 1/3
  39. 49/40
  40. 15/28

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