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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 886 · 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. 1.1/6 + 5/6 =
  2. 2.1/4 + 1/3 =
  3. 3.3/9 − 3/10 =
  4. 4.5/9 − 3/7 =
  5. 5.8/11 − 1/4 =
  6. 6.9/10 − 2/10 =
  7. 7.1/5 + 2/3 =
  8. 8.6/12 − 1/8 =
  9. 9.6/8 − 2/4 =
  10. 10.1/7 + 6/7 =
  11. 11.3/4 + 4/9 =
  12. 12.4/8 + 3/6 =
  13. 13.3/6 + 3/6 =
  14. 14.1/2 + 1/12 =
  15. 15.2/8 + 2/3 =
  16. 16.1/7 + 5/8 =
  17. 17.5/7 − 1/2 =
  18. 18.1/2 + 5/8 =
  19. 19.2/10 − 1/6 =
  20. 20.5/6 + 1/2 =
  21. 21.2/8 + 2/3 =
  22. 22.8/11 + 1/2 =
  23. 23.2/4 + 1/2 =
  24. 24.1/9 + 2/8 =
  25. 25.1/4 + 8/9 =
  26. 26.8/10 − 2/3 =
  27. 27.7/8 − 2/11 =
  28. 28.5/7 − 1/8 =
  29. 29.6/9 + 2/3 =
  30. 30.1/10 + 3/11 =
  31. 31.8/9 + 9/12 =
  32. 32.10/11 − 1/10 =
  33. 33.5/8 + 2/3 =
  34. 34.1/8 + 2/12 =
  35. 35.6/9 − 2/4 =
  36. 36.8/11 + 2/5 =
  37. 37.6/8 + 4/7 =
  38. 38.1/2 + 6/10 =
  39. 39.3/9 − 1/4 =
  40. 40.2/4 + 4/7 =

Answer key

  1. 1
  2. 7/12
  3. 1/30
  4. 8/63
  5. 21/44
  6. 7/10
  7. 13/15
  8. 3/8
  9. 1/4
  10. 1
  11. 43/36
  12. 1
  13. 1
  14. 7/12
  15. 11/12
  16. 43/56
  17. 3/14
  18. 9/8
  19. 1/30
  20. 4/3
  21. 11/12
  22. 27/22
  23. 1
  24. 13/36
  25. 41/36
  26. 2/15
  27. 61/88
  28. 33/56
  29. 4/3
  30. 41/110
  31. 59/36
  32. 89/110
  33. 31/24
  34. 7/24
  35. 1/6
  36. 62/55
  37. 37/28
  38. 11/10
  39. 1/12
  40. 15/14

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