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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 523 · 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. 1.9/11 − 7/10 =
  2. 2.8/11 + 1/4 =
  3. 3.6/10 + 5/7 =
  4. 4.2/10 + 3/7 =
  5. 5.1/2 − 4/11 =
  6. 6.7/9 − 2/7 =
  7. 7.3/9 + 2/8 =
  8. 8.3/9 + 1/2 =
  9. 9.4/9 + 1/8 =
  10. 10.1/3 + 1/3 =
  11. 11.2/3 − 6/11 =
  12. 12.4/5 + 4/6 =
  13. 13.1/8 + 10/11 =
  14. 14.3/8 − 1/6 =
  15. 15.3/8 + 2/3 =
  16. 16.2/5 + 3/4 =
  17. 17.3/5 + 5/7 =
  18. 18.1/5 + 1/4 =
  19. 19.1/2 + 1/2 =
  20. 20.4/9 + 1/6 =
  21. 21.1/9 + 1/2 =
  22. 22.1/2 − 1/8 =
  23. 23.5/7 − 1/2 =
  24. 24.3/6 + 1/10 =
  25. 25.1/10 + 5/7 =
  26. 26.1/2 + 9/12 =
  27. 27.7/11 − 5/9 =
  28. 28.6/9 − 5/9 =
  29. 29.3/5 + 2/8 =
  30. 30.6/11 − 1/6 =
  31. 31.1/2 + 3/4 =
  32. 32.7/10 + 1/3 =
  33. 33.2/4 − 2/7 =
  34. 34.5/12 − 1/8 =
  35. 35.6/10 + 9/11 =
  36. 36.3/6 − 1/3 =
  37. 37.2/12 + 1/2 =
  38. 38.5/6 − 1/7 =
  39. 39.1/10 + 4/6 =
  40. 40.1/2 + 7/11 =

Answer key

  1. 13/110
  2. 43/44
  3. 46/35
  4. 22/35
  5. 3/22
  6. 31/63
  7. 7/12
  8. 5/6
  9. 41/72
  10. 2/3
  11. 4/33
  12. 22/15
  13. 91/88
  14. 5/24
  15. 25/24
  16. 23/20
  17. 46/35
  18. 9/20
  19. 1
  20. 11/18
  21. 11/18
  22. 3/8
  23. 3/14
  24. 3/5
  25. 57/70
  26. 5/4
  27. 8/99
  28. 1/9
  29. 17/20
  30. 25/66
  31. 5/4
  32. 31/30
  33. 3/14
  34. 7/24
  35. 78/55
  36. 1/6
  37. 2/3
  38. 29/42
  39. 23/30
  40. 25/22

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