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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 138 · 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. 1.1/6 + 8/11 =
  2. 2.1/7 + 1/7 =
  3. 3.5/9 + 4/7 =
  4. 4.2/4 + 1/12 =
  5. 5.1/3 − 2/11 =
  6. 6.9/10 + 2/5 =
  7. 7.1/2 + 3/11 =
  8. 8.1/3 + 1/2 =
  9. 9.1/2 − 1/8 =
  10. 10.11/12 − 1/3 =
  11. 11.3/11 + 3/9 =
  12. 12.5/8 − 1/4 =
  13. 13.2/6 + 6/8 =
  14. 14.1/2 + 3/5 =
  15. 15.1/2 + 1/2 =
  16. 16.8/10 + 1/2 =
  17. 17.2/4 + 2/3 =
  18. 18.1/4 − 2/11 =
  19. 19.4/5 − 6/11 =
  20. 20.1/6 + 5/10 =
  21. 21.10/12 + 1/8 =
  22. 22.9/12 − 1/4 =
  23. 23.11/12 − 10/12 =
  24. 24.10/11 − 6/7 =
  25. 25.1/3 + 3/4 =
  26. 26.2/5 + 3/6 =
  27. 27.1/2 − 3/8 =
  28. 28.3/8 + 7/10 =
  29. 29.1/6 + 3/9 =
  30. 30.5/10 + 6/7 =
  31. 31.5/12 + 2/5 =
  32. 32.7/8 + 5/12 =
  33. 33.6/11 + 1/6 =
  34. 34.2/3 − 5/12 =
  35. 35.1/2 + 2/6 =
  36. 36.1/8 + 2/5 =
  37. 37.6/7 − 1/2 =
  38. 38.10/11 + 2/5 =
  39. 39.1/10 + 1/2 =
  40. 40.2/3 + 7/9 =

Answer key

  1. 59/66
  2. 2/7
  3. 71/63
  4. 7/12
  5. 5/33
  6. 13/10
  7. 17/22
  8. 5/6
  9. 3/8
  10. 7/12
  11. 20/33
  12. 3/8
  13. 13/12
  14. 11/10
  15. 1
  16. 13/10
  17. 7/6
  18. 3/44
  19. 14/55
  20. 2/3
  21. 23/24
  22. 1/2
  23. 1/12
  24. 4/77
  25. 13/12
  26. 9/10
  27. 1/8
  28. 43/40
  29. 1/2
  30. 19/14
  31. 49/60
  32. 31/24
  33. 47/66
  34. 1/4
  35. 5/6
  36. 21/40
  37. 5/14
  38. 72/55
  39. 3/5
  40. 13/9

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