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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 467 · 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. 1.3/7 + 5/10 =
  2. 2.6/10 + 2/7 =
  3. 3.6/9 − 6/12 =
  4. 4.1/5 + 2/6 =
  5. 5.2/3 − 1/2 =
  6. 6.1/7 + 10/12 =
  7. 7.2/8 + 1/8 =
  8. 8.3/4 + 5/11 =
  9. 9.1/4 + 2/4 =
  10. 10.5/8 + 1/4 =
  11. 11.4/6 + 3/4 =
  12. 12.2/12 + 1/12 =
  13. 13.3/9 + 6/10 =
  14. 14.8/10 + 2/3 =
  15. 15.2/6 + 1/2 =
  16. 16.1/3 + 5/9 =
  17. 17.6/7 − 9/11 =
  18. 18.5/7 + 6/8 =
  19. 19.4/7 − 3/6 =
  20. 20.1/4 + 2/6 =
  21. 21.4/11 + 3/5 =
  22. 22.2/3 − 1/2 =
  23. 23.3/10 + 5/11 =
  24. 24.9/12 + 1/2 =
  25. 25.7/9 + 4/5 =
  26. 26.1/7 + 1/3 =
  27. 27.2/6 + 1/2 =
  28. 28.5/7 + 1/2 =
  29. 29.1/3 + 4/8 =
  30. 30.4/6 + 1/5 =
  31. 31.3/12 + 2/11 =
  32. 32.7/9 − 1/8 =
  33. 33.2/4 − 1/9 =
  34. 34.3/4 − 3/8 =
  35. 35.10/11 + 2/12 =
  36. 36.5/10 + 6/9 =
  37. 37.6/10 + 1/2 =
  38. 38.2/3 + 2/7 =
  39. 39.2/7 + 6/8 =
  40. 40.1/2 + 4/10 =

Answer key

  1. 13/14
  2. 31/35
  3. 1/6
  4. 8/15
  5. 1/6
  6. 41/42
  7. 3/8
  8. 53/44
  9. 3/4
  10. 7/8
  11. 17/12
  12. 1/4
  13. 14/15
  14. 22/15
  15. 5/6
  16. 8/9
  17. 3/77
  18. 41/28
  19. 1/14
  20. 7/12
  21. 53/55
  22. 1/6
  23. 83/110
  24. 5/4
  25. 71/45
  26. 10/21
  27. 5/6
  28. 17/14
  29. 5/6
  30. 13/15
  31. 19/44
  32. 47/72
  33. 7/18
  34. 3/8
  35. 71/66
  36. 7/6
  37. 11/10
  38. 20/21
  39. 29/28
  40. 9/10

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