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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 506 · 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. 1.1/7 + 2/5 =
  2. 2.1/2 + 4/7 =
  3. 3.8/9 − 3/6 =
  4. 4.7/12 + 1/2 =
  5. 5.1/2 + 1/2 =
  6. 6.5/7 − 3/10 =
  7. 7.1/7 + 1/2 =
  8. 8.1/3 + 1/4 =
  9. 9.6/11 − 1/2 =
  10. 10.3/5 − 2/4 =
  11. 11.5/9 − 1/3 =
  12. 12.4/8 + 3/11 =
  13. 13.3/10 + 1/2 =
  14. 14.5/10 + 1/2 =
  15. 15.4/8 − 1/5 =
  16. 16.3/11 − 1/8 =
  17. 17.3/11 + 7/11 =
  18. 18.1/2 + 3/6 =
  19. 19.1/2 − 1/5 =
  20. 20.5/12 + 5/7 =
  21. 21.3/5 + 2/3 =
  22. 22.1/2 − 2/10 =
  23. 23.3/5 + 4/11 =
  24. 24.2/4 − 1/11 =
  25. 25.7/8 − 6/11 =
  26. 26.1/6 + 8/10 =
  27. 27.6/8 − 1/3 =
  28. 28.1/2 − 2/8 =
  29. 29.11/12 + 4/11 =
  30. 30.1/3 + 1/3 =
  31. 31.1/2 − 4/12 =
  32. 32.1/5 + 7/9 =
  33. 33.8/12 + 2/6 =
  34. 34.1/5 + 2/8 =
  35. 35.1/2 + 4/6 =
  36. 36.7/10 − 2/6 =
  37. 37.7/10 − 2/3 =
  38. 38.1/5 + 2/6 =
  39. 39.4/6 + 9/10 =
  40. 40.1/2 + 1/2 =

Answer key

  1. 19/35
  2. 15/14
  3. 7/18
  4. 13/12
  5. 1
  6. 29/70
  7. 9/14
  8. 7/12
  9. 1/22
  10. 1/10
  11. 2/9
  12. 17/22
  13. 4/5
  14. 1
  15. 3/10
  16. 13/88
  17. 10/11
  18. 1
  19. 3/10
  20. 95/84
  21. 19/15
  22. 3/10
  23. 53/55
  24. 9/22
  25. 29/88
  26. 29/30
  27. 5/12
  28. 1/4
  29. 169/132
  30. 2/3
  31. 1/6
  32. 44/45
  33. 1
  34. 9/20
  35. 7/6
  36. 11/30
  37. 1/30
  38. 8/15
  39. 47/30
  40. 1

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