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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 860 · 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. 1.4/9 + 3/4 =
  2. 2.4/5 + 1/5 =
  3. 3.3/9 + 7/9 =
  4. 4.9/12 + 6/10 =
  5. 5.2/6 + 5/12 =
  6. 6.3/4 + 3/4 =
  7. 7.6/10 + 2/6 =
  8. 8.7/11 + 1/2 =
  9. 9.10/11 − 1/4 =
  10. 10.7/10 + 1/8 =
  11. 11.9/10 + 3/4 =
  12. 12.6/7 − 1/2 =
  13. 13.5/8 − 3/7 =
  14. 14.4/6 + 3/10 =
  15. 15.1/11 + 1/2 =
  16. 16.3/8 − 2/8 =
  17. 17.1/9 + 2/4 =
  18. 18.2/7 − 2/8 =
  19. 19.1/3 − 1/8 =
  20. 20.3/11 − 2/10 =
  21. 21.6/11 − 3/7 =
  22. 22.4/7 − 3/7 =
  23. 23.1/3 + 1/2 =
  24. 24.2/3 + 3/4 =
  25. 25.7/9 + 1/4 =
  26. 26.8/11 + 2/8 =
  27. 27.3/4 + 3/11 =
  28. 28.3/8 − 1/3 =
  29. 29.3/6 + 1/8 =
  30. 30.6/7 + 2/7 =
  31. 31.3/7 + 3/4 =
  32. 32.2/4 + 1/7 =
  33. 33.6/8 − 8/11 =
  34. 34.1/2 + 1/2 =
  35. 35.2/3 + 1/2 =
  36. 36.5/9 − 1/8 =
  37. 37.3/4 + 6/7 =
  38. 38.2/9 + 6/10 =
  39. 39.3/4 + 1/3 =
  40. 40.11/12 + 6/12 =

Answer key

  1. 43/36
  2. 1
  3. 10/9
  4. 27/20
  5. 3/4
  6. 3/2
  7. 14/15
  8. 25/22
  9. 29/44
  10. 33/40
  11. 33/20
  12. 5/14
  13. 11/56
  14. 29/30
  15. 13/22
  16. 1/8
  17. 11/18
  18. 1/28
  19. 5/24
  20. 4/55
  21. 9/77
  22. 1/7
  23. 5/6
  24. 17/12
  25. 37/36
  26. 43/44
  27. 45/44
  28. 1/24
  29. 5/8
  30. 8/7
  31. 33/28
  32. 9/14
  33. 1/44
  34. 1
  35. 7/6
  36. 31/72
  37. 45/28
  38. 37/45
  39. 13/12
  40. 17/12

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