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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 572 · 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. 1.1/2 + 2/11 =
  2. 2.1/3 + 4/6 =
  3. 3.2/5 + 1/12 =
  4. 4.6/12 − 3/8 =
  5. 5.5/12 − 1/5 =
  6. 6.1/4 + 2/7 =
  7. 7.4/8 + 1/2 =
  8. 8.1/5 + 1/10 =
  9. 9.2/7 + 5/10 =
  10. 10.1/4 + 2/3 =
  11. 11.2/3 + 1/2 =
  12. 12.9/11 + 3/8 =
  13. 13.2/5 − 1/7 =
  14. 14.1/9 + 4/9 =
  15. 15.1/4 + 2/12 =
  16. 16.8/9 − 5/6 =
  17. 17.10/12 − 6/9 =
  18. 18.2/3 + 3/4 =
  19. 19.3/4 + 1/2 =
  20. 20.5/12 − 1/3 =
  21. 21.5/8 + 1/3 =
  22. 22.6/7 + 2/4 =
  23. 23.3/11 + 1/7 =
  24. 24.1/4 + 4/12 =
  25. 25.3/8 + 7/12 =
  26. 26.3/7 + 4/5 =
  27. 27.1/12 + 1/2 =
  28. 28.2/3 + 1/3 =
  29. 29.5/10 − 1/6 =
  30. 30.2/5 + 5/6 =
  31. 31.3/12 + 1/2 =
  32. 32.3/5 + 1/11 =
  33. 33.5/7 − 2/6 =
  34. 34.7/9 + 4/10 =
  35. 35.3/4 + 2/8 =
  36. 36.3/5 + 8/11 =
  37. 37.8/11 + 8/12 =
  38. 38.3/8 + 3/4 =
  39. 39.3/8 + 4/10 =
  40. 40.1/8 + 3/4 =

Answer key

  1. 15/22
  2. 1
  3. 29/60
  4. 1/8
  5. 13/60
  6. 15/28
  7. 1
  8. 3/10
  9. 11/14
  10. 11/12
  11. 7/6
  12. 105/88
  13. 9/35
  14. 5/9
  15. 5/12
  16. 1/18
  17. 1/6
  18. 17/12
  19. 5/4
  20. 1/12
  21. 23/24
  22. 19/14
  23. 32/77
  24. 7/12
  25. 23/24
  26. 43/35
  27. 7/12
  28. 1
  29. 1/3
  30. 37/30
  31. 3/4
  32. 38/55
  33. 8/21
  34. 53/45
  35. 1
  36. 73/55
  37. 46/33
  38. 9/8
  39. 31/40
  40. 7/8

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