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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 933 · 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. 1.3/4 + 2/3 =
  2. 2.5/9 + 1/4 =
  3. 3.8/10 + 5/9 =
  4. 4.2/4 + 2/8 =
  5. 5.2/4 + 1/2 =
  6. 6.7/12 + 4/9 =
  7. 7.3/5 + 2/3 =
  8. 8.7/11 − 1/9 =
  9. 9.4/7 + 9/12 =
  10. 10.4/7 − 3/6 =
  11. 11.1/9 + 1/2 =
  12. 12.7/8 + 1/5 =
  13. 13.1/4 + 3/9 =
  14. 14.1/2 − 4/11 =
  15. 15.7/9 + 1/2 =
  16. 16.1/5 − 2/12 =
  17. 17.3/12 + 2/8 =
  18. 18.2/3 + 2/6 =
  19. 19.1/2 − 3/9 =
  20. 20.1/2 + 1/5 =
  21. 21.7/8 − 3/9 =
  22. 22.1/2 + 2/3 =
  23. 23.2/5 + 1/2 =
  24. 24.7/11 − 1/7 =
  25. 25.8/10 + 6/7 =
  26. 26.3/7 − 1/3 =
  27. 27.4/5 − 1/3 =
  28. 28.2/7 + 3/4 =
  29. 29.4/6 − 7/11 =
  30. 30.4/12 + 1/3 =
  31. 31.3/6 + 2/4 =
  32. 32.2/3 + 5/7 =
  33. 33.1/5 + 4/7 =
  34. 34.1/2 + 2/4 =
  35. 35.2/3 + 10/12 =
  36. 36.6/12 + 1/3 =
  37. 37.3/7 + 2/3 =
  38. 38.2/6 − 1/11 =
  39. 39.3/7 + 2/10 =
  40. 40.8/9 + 1/2 =

Answer key

  1. 17/12
  2. 29/36
  3. 61/45
  4. 3/4
  5. 1
  6. 37/36
  7. 19/15
  8. 52/99
  9. 37/28
  10. 1/14
  11. 11/18
  12. 43/40
  13. 7/12
  14. 3/22
  15. 23/18
  16. 1/30
  17. 1/2
  18. 1
  19. 1/6
  20. 7/10
  21. 13/24
  22. 7/6
  23. 9/10
  24. 38/77
  25. 58/35
  26. 2/21
  27. 7/15
  28. 29/28
  29. 1/33
  30. 2/3
  31. 1
  32. 29/21
  33. 27/35
  34. 1
  35. 3/2
  36. 5/6
  37. 23/21
  38. 8/33
  39. 22/35
  40. 25/18

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