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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 456 · 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. 1.4/10 − 1/5 =
  2. 2.3/4 + 1/2 =
  3. 3.1/3 − 1/4 =
  4. 4.5/6 + 4/5 =
  5. 5.2/4 + 2/4 =
  6. 6.5/8 − 4/8 =
  7. 7.7/8 − 2/9 =
  8. 8.1/2 + 1/4 =
  9. 9.2/7 + 3/11 =
  10. 10.3/4 − 4/6 =
  11. 11.7/12 + 3/4 =
  12. 12.2/4 + 6/9 =
  13. 13.1/4 + 1/4 =
  14. 14.3/4 + 1/11 =
  15. 15.4/7 + 3/11 =
  16. 16.6/7 − 5/12 =
  17. 17.4/9 + 6/11 =
  18. 18.6/9 + 4/10 =
  19. 19.2/4 + 7/11 =
  20. 20.2/8 + 2/3 =
  21. 21.2/3 − 1/3 =
  22. 22.3/12 + 1/2 =
  23. 23.4/5 + 1/2 =
  24. 24.2/3 + 1/4 =
  25. 25.2/7 − 2/9 =
  26. 26.3/4 + 1/3 =
  27. 27.1/11 + 2/4 =
  28. 28.5/6 + 1/2 =
  29. 29.3/10 + 4/6 =
  30. 30.4/6 + 1/7 =
  31. 31.4/11 − 1/3 =
  32. 32.3/4 + 2/3 =
  33. 33.5/6 − 1/2 =
  34. 34.3/5 − 1/3 =
  35. 35.3/12 + 1/2 =
  36. 36.3/7 + 1/3 =
  37. 37.2/3 + 2/3 =
  38. 38.3/5 + 3/7 =
  39. 39.9/11 − 4/6 =
  40. 40.4/8 + 10/12 =

Answer key

  1. 1/5
  2. 5/4
  3. 1/12
  4. 49/30
  5. 1
  6. 1/8
  7. 47/72
  8. 3/4
  9. 43/77
  10. 1/12
  11. 4/3
  12. 7/6
  13. 1/2
  14. 37/44
  15. 65/77
  16. 37/84
  17. 98/99
  18. 16/15
  19. 25/22
  20. 11/12
  21. 1/3
  22. 3/4
  23. 13/10
  24. 11/12
  25. 4/63
  26. 13/12
  27. 13/22
  28. 4/3
  29. 29/30
  30. 17/21
  31. 1/33
  32. 17/12
  33. 1/3
  34. 4/15
  35. 3/4
  36. 16/21
  37. 4/3
  38. 36/35
  39. 5/33
  40. 4/3

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