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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 783 · 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. 1.6/8 − 2/4 =
  2. 2.1/6 + 5/8 =
  3. 3.4/11 + 3/8 =
  4. 4.4/7 − 2/5 =
  5. 5.1/2 + 2/6 =
  6. 6.9/12 − 1/4 =
  7. 7.4/6 + 8/10 =
  8. 8.3/9 + 1/9 =
  9. 9.4/7 + 4/6 =
  10. 10.2/4 + 2/6 =
  11. 11.2/3 − 1/2 =
  12. 12.6/10 + 2/10 =
  13. 13.5/9 + 5/9 =
  14. 14.6/12 + 2/3 =
  15. 15.9/12 − 4/9 =
  16. 16.4/8 + 5/11 =
  17. 17.1/3 + 2/3 =
  18. 18.2/4 + 7/8 =
  19. 19.2/3 − 3/10 =
  20. 20.8/10 − 4/10 =
  21. 21.7/9 + 3/11 =
  22. 22.1/2 + 3/7 =
  23. 23.3/12 − 1/8 =
  24. 24.1/5 − 1/6 =
  25. 25.2/6 + 9/10 =
  26. 26.1/5 + 1/11 =
  27. 27.8/10 + 9/11 =
  28. 28.7/12 + 7/12 =
  29. 29.3/4 − 2/9 =
  30. 30.2/5 + 1/2 =
  31. 31.3/6 + 7/10 =
  32. 32.2/8 + 2/7 =
  33. 33.1/3 + 2/4 =
  34. 34.7/8 − 1/6 =
  35. 35.3/8 + 7/11 =
  36. 36.3/4 − 2/5 =
  37. 37.3/7 + 2/5 =
  38. 38.1/2 + 1/5 =
  39. 39.1/10 + 2/6 =
  40. 40.7/12 + 8/11 =

Answer key

  1. 1/4
  2. 19/24
  3. 65/88
  4. 6/35
  5. 5/6
  6. 1/2
  7. 22/15
  8. 4/9
  9. 26/21
  10. 5/6
  11. 1/6
  12. 4/5
  13. 10/9
  14. 7/6
  15. 11/36
  16. 21/22
  17. 1
  18. 11/8
  19. 11/30
  20. 2/5
  21. 104/99
  22. 13/14
  23. 1/8
  24. 1/30
  25. 37/30
  26. 16/55
  27. 89/55
  28. 7/6
  29. 19/36
  30. 9/10
  31. 6/5
  32. 15/28
  33. 5/6
  34. 17/24
  35. 89/88
  36. 7/20
  37. 29/35
  38. 7/10
  39. 13/30
  40. 173/132

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