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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 707 · 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 + 1/4 =
  2. 2.1/4 − 1/10 =
  3. 3.7/10 + 4/5 =
  4. 4.5/11 + 6/9 =
  5. 5.6/9 + 1/2 =
  6. 6.1/11 + 7/9 =
  7. 7.2/8 − 1/11 =
  8. 8.1/4 + 2/4 =
  9. 9.4/5 + 5/10 =
  10. 10.7/10 + 7/8 =
  11. 11.1/2 − 1/3 =
  12. 12.1/2 + 3/7 =
  13. 13.2/9 + 1/2 =
  14. 14.1/4 + 3/4 =
  15. 15.1/3 − 3/10 =
  16. 16.2/3 − 2/12 =
  17. 17.3/7 − 3/10 =
  18. 18.6/11 − 4/8 =
  19. 19.1/2 + 4/8 =
  20. 20.1/12 + 9/11 =
  21. 21.2/7 + 9/12 =
  22. 22.3/6 + 1/3 =
  23. 23.4/7 − 2/4 =
  24. 24.4/9 + 1/2 =
  25. 25.3/5 − 2/11 =
  26. 26.6/8 − 1/2 =
  27. 27.2/11 + 7/12 =
  28. 28.3/7 − 2/9 =
  29. 29.2/3 − 3/9 =
  30. 30.1/3 − 1/10 =
  31. 31.3/6 + 1/2 =
  32. 32.6/7 + 1/2 =
  33. 33.10/12 − 1/4 =
  34. 34.3/6 + 4/10 =
  35. 35.4/11 + 2/6 =
  36. 36.7/8 + 7/10 =
  37. 37.3/10 + 2/4 =
  38. 38.3/9 + 4/11 =
  39. 39.6/12 − 1/10 =
  40. 40.3/5 − 1/2 =

Answer key

  1. 3/4
  2. 3/20
  3. 3/2
  4. 37/33
  5. 7/6
  6. 86/99
  7. 7/44
  8. 3/4
  9. 13/10
  10. 63/40
  11. 1/6
  12. 13/14
  13. 13/18
  14. 1
  15. 1/30
  16. 1/2
  17. 9/70
  18. 1/22
  19. 1
  20. 119/132
  21. 29/28
  22. 5/6
  23. 1/14
  24. 17/18
  25. 23/55
  26. 1/4
  27. 101/132
  28. 13/63
  29. 1/3
  30. 7/30
  31. 1
  32. 19/14
  33. 7/12
  34. 9/10
  35. 23/33
  36. 63/40
  37. 4/5
  38. 23/33
  39. 2/5
  40. 1/10

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