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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 237 · 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. 1.2/8 + 2/7 =
  2. 2.1/2 + 1/5 =
  3. 3.3/6 + 1/6 =
  4. 4.1/2 + 6/10 =
  5. 5.1/11 + 1/3 =
  6. 6.6/9 + 1/3 =
  7. 7.4/11 + 2/9 =
  8. 8.1/3 + 2/8 =
  9. 9.9/11 + 3/5 =
  10. 10.1/4 + 1/2 =
  11. 11.2/6 + 3/9 =
  12. 12.5/9 + 4/6 =
  13. 13.2/3 − 1/5 =
  14. 14.2/9 + 7/12 =
  15. 15.1/3 + 2/3 =
  16. 16.3/4 − 6/12 =
  17. 17.1/3 − 1/8 =
  18. 18.1/3 + 10/11 =
  19. 19.2/3 − 1/2 =
  20. 20.3/4 + 1/5 =
  21. 21.3/5 − 3/6 =
  22. 22.6/8 − 1/3 =
  23. 23.3/4 − 1/12 =
  24. 24.3/4 + 1/12 =
  25. 25.1/2 − 1/3 =
  26. 26.1/2 + 5/8 =
  27. 27.1/4 + 1/3 =
  28. 28.6/10 + 4/9 =
  29. 29.5/12 + 3/4 =
  30. 30.1/4 + 3/4 =
  31. 31.2/3 − 1/2 =
  32. 32.1/5 + 1/7 =
  33. 33.4/6 − 1/2 =
  34. 34.3/7 + 1/10 =
  35. 35.10/12 + 7/8 =
  36. 36.2/11 + 7/11 =
  37. 37.7/12 − 1/2 =
  38. 38.4/7 + 1/5 =
  39. 39.1/6 + 4/8 =
  40. 40.4/5 − 3/6 =

Answer key

  1. 15/28
  2. 7/10
  3. 2/3
  4. 11/10
  5. 14/33
  6. 1
  7. 58/99
  8. 7/12
  9. 78/55
  10. 3/4
  11. 2/3
  12. 11/9
  13. 7/15
  14. 29/36
  15. 1
  16. 1/4
  17. 5/24
  18. 41/33
  19. 1/6
  20. 19/20
  21. 1/10
  22. 5/12
  23. 2/3
  24. 5/6
  25. 1/6
  26. 9/8
  27. 7/12
  28. 47/45
  29. 7/6
  30. 1
  31. 1/6
  32. 12/35
  33. 1/6
  34. 37/70
  35. 41/24
  36. 9/11
  37. 1/12
  38. 27/35
  39. 2/3
  40. 3/10

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