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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 805 · 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 + 1/5 =
  2. 2.1/3 + 1/4 =
  3. 3.5/7 + 1/4 =
  4. 4.2/4 + 1/2 =
  5. 5.1/11 + 2/3 =
  6. 6.1/2 + 6/8 =
  7. 7.1/6 + 1/2 =
  8. 8.7/11 + 1/2 =
  9. 9.4/7 + 5/6 =
  10. 10.4/5 − 2/4 =
  11. 11.6/8 + 1/2 =
  12. 12.1/3 + 1/2 =
  13. 13.2/4 + 1/8 =
  14. 14.6/9 + 2/11 =
  15. 15.4/11 + 2/3 =
  16. 16.2/9 − 1/7 =
  17. 17.1/2 + 2/12 =
  18. 18.1/12 + 8/10 =
  19. 19.7/10 + 7/8 =
  20. 20.2/8 + 3/4 =
  21. 21.1/10 + 4/11 =
  22. 22.3/5 + 2/6 =
  23. 23.5/9 − 3/6 =
  24. 24.7/11 − 1/5 =
  25. 25.5/11 − 1/4 =
  26. 26.9/10 − 7/9 =
  27. 27.5/6 + 1/5 =
  28. 28.1/2 − 1/3 =
  29. 29.4/6 − 2/8 =
  30. 30.4/7 − 1/3 =
  31. 31.3/7 + 3/7 =
  32. 32.2/5 + 1/2 =
  33. 33.3/11 + 5/11 =
  34. 34.2/8 + 2/12 =
  35. 35.3/6 + 1/2 =
  36. 36.1/2 + 1/2 =
  37. 37.2/7 + 2/3 =
  38. 38.9/10 + 2/3 =
  39. 39.3/5 + 5/10 =
  40. 40.5/7 + 1/3 =

Answer key

  1. 32/35
  2. 7/12
  3. 27/28
  4. 1
  5. 25/33
  6. 5/4
  7. 2/3
  8. 25/22
  9. 59/42
  10. 3/10
  11. 5/4
  12. 5/6
  13. 5/8
  14. 28/33
  15. 34/33
  16. 5/63
  17. 2/3
  18. 53/60
  19. 63/40
  20. 1
  21. 51/110
  22. 14/15
  23. 1/18
  24. 24/55
  25. 9/44
  26. 11/90
  27. 31/30
  28. 1/6
  29. 5/12
  30. 5/21
  31. 6/7
  32. 9/10
  33. 8/11
  34. 5/12
  35. 1
  36. 1
  37. 20/21
  38. 47/30
  39. 11/10
  40. 22/21

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