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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 714 · 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. 1.2/4 + 5/8 =
  2. 2.1/4 + 3/6 =
  3. 3.1/3 + 1/5 =
  4. 4.2/4 − 1/8 =
  5. 5.4/5 + 1/2 =
  6. 6.2/4 − 4/11 =
  7. 7.1/4 + 1/4 =
  8. 8.7/8 − 1/2 =
  9. 9.8/10 − 3/7 =
  10. 10.1/2 + 1/4 =
  11. 11.9/10 − 6/11 =
  12. 12.3/12 + 3/4 =
  13. 13.4/11 − 1/7 =
  14. 14.5/6 + 1/5 =
  15. 15.4/7 + 6/9 =
  16. 16.4/7 + 1/4 =
  17. 17.5/10 + 1/4 =
  18. 18.6/8 + 8/11 =
  19. 19.1/11 + 7/12 =
  20. 20.1/4 + 3/6 =
  21. 21.5/7 + 6/8 =
  22. 22.2/3 − 3/11 =
  23. 23.4/6 − 1/3 =
  24. 24.5/8 − 3/6 =
  25. 25.4/5 − 2/4 =
  26. 26.2/5 + 7/9 =
  27. 27.1/5 + 6/7 =
  28. 28.4/9 + 1/4 =
  29. 29.3/7 + 1/2 =
  30. 30.3/4 + 5/11 =
  31. 31.7/8 + 1/3 =
  32. 32.3/4 − 2/3 =
  33. 33.1/9 − 1/12 =
  34. 34.1/2 − 1/4 =
  35. 35.2/5 + 5/11 =
  36. 36.4/10 + 1/6 =
  37. 37.7/8 − 1/11 =
  38. 38.4/5 − 2/8 =
  39. 39.11/12 + 1/3 =
  40. 40.10/11 − 2/9 =

Answer key

  1. 9/8
  2. 3/4
  3. 8/15
  4. 3/8
  5. 13/10
  6. 3/22
  7. 1/2
  8. 3/8
  9. 13/35
  10. 3/4
  11. 39/110
  12. 1
  13. 17/77
  14. 31/30
  15. 26/21
  16. 23/28
  17. 3/4
  18. 65/44
  19. 89/132
  20. 3/4
  21. 41/28
  22. 13/33
  23. 1/3
  24. 1/8
  25. 3/10
  26. 53/45
  27. 37/35
  28. 25/36
  29. 13/14
  30. 53/44
  31. 29/24
  32. 1/12
  33. 1/36
  34. 1/4
  35. 47/55
  36. 17/30
  37. 69/88
  38. 11/20
  39. 5/4
  40. 68/99

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