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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 375 · 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. 1.3/5 + 3/7 =
  2. 2.7/9 + 1/5 =
  3. 3.2/3 + 3/11 =
  4. 4.6/8 − 5/8 =
  5. 5.7/12 + 4/11 =
  6. 6.7/9 − 1/4 =
  7. 7.1/12 + 1/2 =
  8. 8.1/6 + 1/3 =
  9. 9.3/11 + 2/7 =
  10. 10.7/12 − 2/6 =
  11. 11.1/2 + 1/7 =
  12. 12.3/4 − 2/3 =
  13. 13.11/12 − 4/5 =
  14. 14.5/8 + 4/5 =
  15. 15.4/7 − 2/6 =
  16. 16.1/2 − 1/11 =
  17. 17.11/12 + 2/5 =
  18. 18.4/6 + 4/7 =
  19. 19.1/2 + 1/3 =
  20. 20.1/5 + 5/8 =
  21. 21.8/12 + 2/4 =
  22. 22.5/11 − 2/8 =
  23. 23.6/10 + 3/5 =
  24. 24.1/4 + 2/8 =
  25. 25.3/4 + 1/2 =
  26. 26.3/7 + 3/5 =
  27. 27.3/8 + 2/4 =
  28. 28.1/3 + 7/8 =
  29. 29.6/8 + 1/2 =
  30. 30.3/8 + 5/6 =
  31. 31.3/5 − 1/6 =
  32. 32.2/8 + 4/11 =
  33. 33.2/12 + 1/11 =
  34. 34.6/10 − 4/8 =
  35. 35.7/9 − 5/11 =
  36. 36.1/8 + 1/4 =
  37. 37.1/2 + 1/3 =
  38. 38.2/5 − 1/5 =
  39. 39.2/7 + 2/4 =
  40. 40.1/8 + 6/7 =

Answer key

  1. 36/35
  2. 44/45
  3. 31/33
  4. 1/8
  5. 125/132
  6. 19/36
  7. 7/12
  8. 1/2
  9. 43/77
  10. 1/4
  11. 9/14
  12. 1/12
  13. 7/60
  14. 57/40
  15. 5/21
  16. 9/22
  17. 79/60
  18. 26/21
  19. 5/6
  20. 33/40
  21. 7/6
  22. 9/44
  23. 6/5
  24. 1/2
  25. 5/4
  26. 36/35
  27. 7/8
  28. 29/24
  29. 5/4
  30. 29/24
  31. 13/30
  32. 27/44
  33. 17/66
  34. 1/10
  35. 32/99
  36. 3/8
  37. 5/6
  38. 1/5
  39. 11/14
  40. 55/56

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