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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 576 · 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. 1.5/8 − 1/2 =
  2. 2.4/8 + 7/8 =
  3. 3.1/2 + 3/6 =
  4. 4.1/5 + 1/6 =
  5. 5.1/3 − 2/8 =
  6. 6.8/10 − 6/12 =
  7. 7.2/3 + 3/4 =
  8. 8.3/6 + 2/3 =
  9. 9.1/2 − 1/4 =
  10. 10.6/9 + 2/5 =
  11. 11.8/9 + 1/4 =
  12. 12.1/2 + 8/12 =
  13. 13.11/12 − 10/11 =
  14. 14.3/12 − 1/5 =
  15. 15.1/2 + 2/8 =
  16. 16.1/2 + 2/3 =
  17. 17.1/11 + 1/7 =
  18. 18.1/9 + 6/12 =
  19. 19.5/7 + 1/3 =
  20. 20.6/8 − 2/3 =
  21. 21.2/5 + 3/6 =
  22. 22.1/4 + 1/4 =
  23. 23.3/9 + 4/12 =
  24. 24.7/9 + 3/6 =
  25. 25.1/2 + 1/4 =
  26. 26.1/2 − 1/4 =
  27. 27.2/8 + 5/7 =
  28. 28.1/3 − 1/4 =
  29. 29.2/9 + 5/11 =
  30. 30.3/12 + 1/3 =
  31. 31.5/8 + 2/3 =
  32. 32.3/7 + 1/9 =
  33. 33.7/8 − 4/6 =
  34. 34.4/5 − 2/4 =
  35. 35.3/8 + 5/7 =
  36. 36.2/11 + 5/8 =
  37. 37.8/12 − 1/3 =
  38. 38.3/6 + 1/5 =
  39. 39.4/5 − 4/8 =
  40. 40.4/12 + 1/11 =

Answer key

  1. 1/8
  2. 11/8
  3. 1
  4. 11/30
  5. 1/12
  6. 3/10
  7. 17/12
  8. 7/6
  9. 1/4
  10. 16/15
  11. 41/36
  12. 7/6
  13. 1/132
  14. 1/20
  15. 3/4
  16. 7/6
  17. 18/77
  18. 11/18
  19. 22/21
  20. 1/12
  21. 9/10
  22. 1/2
  23. 2/3
  24. 23/18
  25. 3/4
  26. 1/4
  27. 27/28
  28. 1/12
  29. 67/99
  30. 7/12
  31. 31/24
  32. 34/63
  33. 5/24
  34. 3/10
  35. 61/56
  36. 71/88
  37. 1/3
  38. 7/10
  39. 3/10
  40. 14/33

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