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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 177 · 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. 1.2/7 + 2/3 =
  2. 2.1/2 − 2/9 =
  3. 3.3/4 + 1/2 =
  4. 4.2/3 − 1/4 =
  5. 5.3/4 + 4/7 =
  6. 6.1/2 − 1/3 =
  7. 7.1/2 − 1/8 =
  8. 8.2/3 − 2/11 =
  9. 9.4/6 + 2/3 =
  10. 10.3/4 + 2/11 =
  11. 11.2/4 − 2/6 =
  12. 12.1/2 + 1/4 =
  13. 13.1/2 + 9/11 =
  14. 14.6/8 + 5/7 =
  15. 15.2/7 + 3/6 =
  16. 16.5/9 − 2/7 =
  17. 17.3/5 + 6/10 =
  18. 18.8/10 − 1/6 =
  19. 19.2/8 + 1/7 =
  20. 20.1/7 + 1/2 =
  21. 21.2/10 + 1/4 =
  22. 22.6/8 − 1/12 =
  23. 23.1/2 + 6/7 =
  24. 24.4/9 − 1/5 =
  25. 25.1/2 + 1/2 =
  26. 26.1/6 + 1/10 =
  27. 27.2/4 − 1/3 =
  28. 28.2/3 − 6/11 =
  29. 29.2/3 − 2/4 =
  30. 30.2/3 − 4/12 =
  31. 31.6/11 + 4/12 =
  32. 32.2/3 − 1/12 =
  33. 33.2/3 − 5/8 =
  34. 34.7/10 + 4/6 =
  35. 35.1/3 − 1/5 =
  36. 36.7/9 − 1/2 =
  37. 37.1/5 + 3/8 =
  38. 38.3/5 + 5/12 =
  39. 39.9/11 − 1/2 =
  40. 40.4/5 − 1/2 =

Answer key

  1. 20/21
  2. 5/18
  3. 5/4
  4. 5/12
  5. 37/28
  6. 1/6
  7. 3/8
  8. 16/33
  9. 4/3
  10. 41/44
  11. 1/6
  12. 3/4
  13. 29/22
  14. 41/28
  15. 11/14
  16. 17/63
  17. 6/5
  18. 19/30
  19. 11/28
  20. 9/14
  21. 9/20
  22. 2/3
  23. 19/14
  24. 11/45
  25. 1
  26. 4/15
  27. 1/6
  28. 4/33
  29. 1/6
  30. 1/3
  31. 29/33
  32. 7/12
  33. 1/24
  34. 41/30
  35. 2/15
  36. 5/18
  37. 23/40
  38. 61/60
  39. 7/22
  40. 3/10

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