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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 836 · 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 + 2/6 =
  2. 2.3/4 + 2/5 =
  3. 3.3/8 − 3/9 =
  4. 4.2/4 + 1/2 =
  5. 5.4/9 − 1/12 =
  6. 6.1/2 + 3/6 =
  7. 7.1/2 + 1/3 =
  8. 8.9/11 + 2/4 =
  9. 9.6/11 − 1/8 =
  10. 10.6/11 − 2/4 =
  11. 11.3/5 + 5/6 =
  12. 12.4/7 + 1/2 =
  13. 13.2/5 + 3/6 =
  14. 14.9/11 + 1/9 =
  15. 15.3/5 + 6/8 =
  16. 16.3/9 + 3/8 =
  17. 17.3/4 + 1/7 =
  18. 18.1/2 − 2/6 =
  19. 19.5/9 + 7/8 =
  20. 20.7/8 − 1/11 =
  21. 21.11/12 + 1/3 =
  22. 22.2/3 − 5/8 =
  23. 23.5/11 + 1/3 =
  24. 24.1/4 + 3/5 =
  25. 25.6/7 − 5/6 =
  26. 26.9/10 + 1/11 =
  27. 27.3/7 + 3/7 =
  28. 28.1/3 + 6/12 =
  29. 29.4/6 + 2/6 =
  30. 30.1/4 + 2/3 =
  31. 31.6/7 + 1/2 =
  32. 32.6/11 + 5/12 =
  33. 33.5/8 + 1/2 =
  34. 34.10/11 + 2/12 =
  35. 35.1/3 + 1/2 =
  36. 36.6/8 − 4/6 =
  37. 37.2/6 + 5/6 =
  38. 38.1/2 − 3/7 =
  39. 39.5/12 + 2/11 =
  40. 40.1/3 + 1/2 =

Answer key

  1. 11/24
  2. 23/20
  3. 1/24
  4. 1
  5. 13/36
  6. 1
  7. 5/6
  8. 29/22
  9. 37/88
  10. 1/22
  11. 43/30
  12. 15/14
  13. 9/10
  14. 92/99
  15. 27/20
  16. 17/24
  17. 25/28
  18. 1/6
  19. 103/72
  20. 69/88
  21. 5/4
  22. 1/24
  23. 26/33
  24. 17/20
  25. 1/42
  26. 109/110
  27. 6/7
  28. 5/6
  29. 1
  30. 11/12
  31. 19/14
  32. 127/132
  33. 9/8
  34. 71/66
  35. 5/6
  36. 1/12
  37. 7/6
  38. 1/14
  39. 79/132
  40. 5/6

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