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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 816 · 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. 1.1/5 + 3/6 =
  2. 2.1/2 + 5/8 =
  3. 3.4/9 + 1/8 =
  4. 4.1/2 − 1/11 =
  5. 5.10/12 + 1/9 =
  6. 6.3/5 − 1/2 =
  7. 7.2/5 + 8/9 =
  8. 8.7/8 + 2/3 =
  9. 9.7/10 − 1/2 =
  10. 10.8/10 + 8/9 =
  11. 11.3/10 + 2/3 =
  12. 12.4/10 + 4/6 =
  13. 13.1/2 − 2/7 =
  14. 14.4/9 − 1/4 =
  15. 15.6/8 + 4/9 =
  16. 16.4/5 + 6/9 =
  17. 17.3/8 + 1/5 =
  18. 18.8/9 + 4/5 =
  19. 19.4/12 + 1/3 =
  20. 20.8/11 + 2/7 =
  21. 21.2/6 + 2/11 =
  22. 22.2/4 + 2/3 =
  23. 23.4/6 − 1/2 =
  24. 24.9/10 + 2/9 =
  25. 25.6/8 + 1/4 =
  26. 26.3/9 − 1/7 =
  27. 27.2/3 − 5/12 =
  28. 28.1/3 + 1/10 =
  29. 29.1/2 − 2/12 =
  30. 30.3/8 + 2/8 =
  31. 31.4/5 − 7/10 =
  32. 32.6/12 + 1/2 =
  33. 33.2/6 + 2/6 =
  34. 34.4/7 + 1/7 =
  35. 35.6/10 − 2/4 =
  36. 36.1/3 + 1/2 =
  37. 37.7/11 − 1/4 =
  38. 38.2/6 + 2/6 =
  39. 39.6/9 − 2/11 =
  40. 40.1/2 + 4/6 =

Answer key

  1. 7/10
  2. 9/8
  3. 41/72
  4. 9/22
  5. 17/18
  6. 1/10
  7. 58/45
  8. 37/24
  9. 1/5
  10. 76/45
  11. 29/30
  12. 16/15
  13. 3/14
  14. 7/36
  15. 43/36
  16. 22/15
  17. 23/40
  18. 76/45
  19. 2/3
  20. 78/77
  21. 17/33
  22. 7/6
  23. 1/6
  24. 101/90
  25. 1
  26. 4/21
  27. 1/4
  28. 13/30
  29. 1/3
  30. 5/8
  31. 1/10
  32. 1
  33. 2/3
  34. 5/7
  35. 1/10
  36. 5/6
  37. 17/44
  38. 2/3
  39. 16/33
  40. 7/6

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