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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 175 · 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. 1.5/7 − 4/11 =
  2. 2.3/4 − 1/10 =
  3. 3.2/3 + 2/5 =
  4. 4.7/12 + 2/3 =
  5. 5.3/12 + 4/11 =
  6. 6.5/10 + 6/12 =
  7. 7.4/5 + 6/7 =
  8. 8.2/4 + 2/3 =
  9. 9.2/5 + 1/2 =
  10. 10.3/6 − 2/5 =
  11. 11.3/11 − 2/9 =
  12. 12.1/6 + 1/5 =
  13. 13.4/8 + 8/9 =
  14. 14.3/4 + 1/2 =
  15. 15.2/4 + 10/12 =
  16. 16.9/11 + 2/3 =
  17. 17.1/12 + 1/3 =
  18. 18.1/4 + 3/9 =
  19. 19.6/9 − 5/8 =
  20. 20.4/5 − 2/4 =
  21. 21.1/5 + 7/8 =
  22. 22.1/4 + 1/2 =
  23. 23.4/6 + 2/3 =
  24. 24.5/7 + 3/5 =
  25. 25.1/3 + 2/3 =
  26. 26.9/11 + 5/7 =
  27. 27.1/5 + 6/11 =
  28. 28.5/6 − 1/2 =
  29. 29.2/3 + 1/2 =
  30. 30.5/10 + 1/2 =
  31. 31.1/2 + 5/11 =
  32. 32.1/2 + 1/2 =
  33. 33.2/10 + 1/9 =
  34. 34.3/4 − 1/2 =
  35. 35.1/5 + 3/5 =
  36. 36.2/8 + 1/3 =
  37. 37.1/2 + 3/4 =
  38. 38.1/2 + 6/7 =
  39. 39.3/6 + 4/7 =
  40. 40.10/12 + 5/7 =

Answer key

  1. 27/77
  2. 13/20
  3. 16/15
  4. 5/4
  5. 27/44
  6. 1
  7. 58/35
  8. 7/6
  9. 9/10
  10. 1/10
  11. 5/99
  12. 11/30
  13. 25/18
  14. 5/4
  15. 4/3
  16. 49/33
  17. 5/12
  18. 7/12
  19. 1/24
  20. 3/10
  21. 43/40
  22. 3/4
  23. 4/3
  24. 46/35
  25. 1
  26. 118/77
  27. 41/55
  28. 1/3
  29. 7/6
  30. 1
  31. 21/22
  32. 1
  33. 14/45
  34. 1/4
  35. 4/5
  36. 7/12
  37. 5/4
  38. 19/14
  39. 15/14
  40. 65/42

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