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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 195 · 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. 1.4/6 + 8/9 =
  2. 2.2/4 + 5/6 =
  3. 3.2/8 + 2/4 =
  4. 4.3/4 − 4/6 =
  5. 5.3/4 − 1/2 =
  6. 6.8/10 + 1/8 =
  7. 7.4/6 + 2/8 =
  8. 8.8/9 + 1/9 =
  9. 9.1/3 + 1/2 =
  10. 10.1/2 + 1/2 =
  11. 11.8/12 − 1/8 =
  12. 12.8/10 − 1/3 =
  13. 13.10/11 − 6/12 =
  14. 14.1/2 + 1/5 =
  15. 15.4/11 + 3/8 =
  16. 16.8/9 − 3/10 =
  17. 17.3/4 − 1/4 =
  18. 18.4/5 + 3/9 =
  19. 19.2/4 + 1/5 =
  20. 20.1/9 + 11/12 =
  21. 21.6/9 − 1/3 =
  22. 22.3/9 + 5/9 =
  23. 23.1/2 − 2/7 =
  24. 24.4/5 − 3/7 =
  25. 25.5/9 − 2/8 =
  26. 26.1/2 − 4/11 =
  27. 27.5/7 − 3/8 =
  28. 28.5/8 − 5/11 =
  29. 29.6/7 + 11/12 =
  30. 30.3/9 + 2/9 =
  31. 31.5/12 − 1/6 =
  32. 32.8/10 − 7/9 =
  33. 33.2/3 − 3/7 =
  34. 34.5/10 + 3/10 =
  35. 35.1/2 + 3/12 =
  36. 36.2/3 + 7/12 =
  37. 37.6/9 − 2/9 =
  38. 38.8/9 + 1/2 =
  39. 39.1/2 + 2/3 =
  40. 40.1/12 + 6/7 =

Answer key

  1. 14/9
  2. 4/3
  3. 3/4
  4. 1/12
  5. 1/4
  6. 37/40
  7. 11/12
  8. 1
  9. 5/6
  10. 1
  11. 13/24
  12. 7/15
  13. 9/22
  14. 7/10
  15. 65/88
  16. 53/90
  17. 1/2
  18. 17/15
  19. 7/10
  20. 37/36
  21. 1/3
  22. 8/9
  23. 3/14
  24. 13/35
  25. 11/36
  26. 3/22
  27. 19/56
  28. 15/88
  29. 149/84
  30. 5/9
  31. 1/4
  32. 1/45
  33. 5/21
  34. 4/5
  35. 3/4
  36. 5/4
  37. 4/9
  38. 25/18
  39. 7/6
  40. 79/84

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