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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 691 · 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. 1.1/8 + 2/4 =
  2. 2.6/7 + 11/12 =
  3. 3.4/5 + 3/7 =
  4. 4.1/4 − 1/5 =
  5. 5.1/5 + 1/2 =
  6. 6.7/11 + 9/12 =
  7. 7.3/4 + 9/12 =
  8. 8.3/4 + 1/2 =
  9. 9.1/8 + 1/2 =
  10. 10.2/4 + 3/5 =
  11. 11.2/5 + 2/7 =
  12. 12.1/8 + 4/12 =
  13. 13.1/4 + 4/6 =
  14. 14.6/11 − 1/2 =
  15. 15.3/6 + 1/2 =
  16. 16.1/4 + 1/3 =
  17. 17.8/11 − 3/6 =
  18. 18.5/6 − 3/8 =
  19. 19.7/9 − 7/12 =
  20. 20.1/9 + 5/8 =
  21. 21.10/12 − 1/2 =
  22. 22.5/6 − 8/11 =
  23. 23.2/4 + 1/3 =
  24. 24.2/11 + 1/7 =
  25. 25.6/8 + 2/3 =
  26. 26.5/8 + 1/3 =
  27. 27.1/2 + 3/6 =
  28. 28.1/2 + 2/4 =
  29. 29.1/2 − 2/7 =
  30. 30.9/11 − 1/5 =
  31. 31.4/5 − 3/9 =
  32. 32.1/4 + 1/12 =
  33. 33.3/7 + 6/7 =
  34. 34.3/5 + 3/5 =
  35. 35.5/7 − 1/5 =
  36. 36.2/9 + 2/4 =
  37. 37.2/8 + 1/3 =
  38. 38.3/10 + 6/11 =
  39. 39.9/10 + 6/8 =
  40. 40.3/11 + 2/4 =

Answer key

  1. 5/8
  2. 149/84
  3. 43/35
  4. 1/20
  5. 7/10
  6. 61/44
  7. 3/2
  8. 5/4
  9. 5/8
  10. 11/10
  11. 24/35
  12. 11/24
  13. 11/12
  14. 1/22
  15. 1
  16. 7/12
  17. 5/22
  18. 11/24
  19. 7/36
  20. 53/72
  21. 1/3
  22. 7/66
  23. 5/6
  24. 25/77
  25. 17/12
  26. 23/24
  27. 1
  28. 1
  29. 3/14
  30. 34/55
  31. 7/15
  32. 1/3
  33. 9/7
  34. 6/5
  35. 18/35
  36. 13/18
  37. 7/12
  38. 93/110
  39. 33/20
  40. 17/22

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