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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 479 · 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. 1.2/8 + 2/4 =
  2. 2.8/12 − 1/5 =
  3. 3.3/4 − 1/2 =
  4. 4.5/6 − 1/6 =
  5. 5.2/6 − 1/4 =
  6. 6.1/4 + 2/6 =
  7. 7.10/11 + 3/12 =
  8. 8.2/3 − 1/3 =
  9. 9.1/4 + 2/6 =
  10. 10.5/11 + 1/2 =
  11. 11.1/2 + 8/9 =
  12. 12.1/3 + 4/11 =
  13. 13.8/11 + 2/4 =
  14. 14.1/2 + 1/4 =
  15. 15.3/5 + 4/10 =
  16. 16.5/10 − 2/6 =
  17. 17.3/4 + 2/11 =
  18. 18.4/5 + 9/11 =
  19. 19.1/4 + 2/3 =
  20. 20.2/4 − 3/9 =
  21. 21.2/7 + 3/4 =
  22. 22.4/5 − 1/2 =
  23. 23.2/3 − 1/6 =
  24. 24.10/11 − 1/6 =
  25. 25.4/11 − 3/9 =
  26. 26.1/7 + 3/7 =
  27. 27.2/3 − 1/4 =
  28. 28.3/4 + 9/11 =
  29. 29.1/5 + 6/7 =
  30. 30.5/9 + 1/3 =
  31. 31.1/2 − 1/7 =
  32. 32.6/7 − 3/5 =
  33. 33.1/10 + 1/11 =
  34. 34.1/8 + 1/2 =
  35. 35.1/2 + 4/5 =
  36. 36.2/3 + 1/11 =
  37. 37.4/6 + 2/7 =
  38. 38.2/3 + 2/8 =
  39. 39.5/8 + 1/4 =
  40. 40.4/8 − 1/3 =

Answer key

  1. 3/4
  2. 7/15
  3. 1/4
  4. 2/3
  5. 1/12
  6. 7/12
  7. 51/44
  8. 1/3
  9. 7/12
  10. 21/22
  11. 25/18
  12. 23/33
  13. 27/22
  14. 3/4
  15. 1
  16. 1/6
  17. 41/44
  18. 89/55
  19. 11/12
  20. 1/6
  21. 29/28
  22. 3/10
  23. 1/2
  24. 49/66
  25. 1/33
  26. 4/7
  27. 5/12
  28. 69/44
  29. 37/35
  30. 8/9
  31. 5/14
  32. 9/35
  33. 21/110
  34. 5/8
  35. 13/10
  36. 25/33
  37. 20/21
  38. 11/12
  39. 7/8
  40. 1/6

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