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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 253 · 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. 1.4/9 + 5/9 =
  2. 2.6/7 − 3/8 =
  3. 3.1/2 + 4/11 =
  4. 4.8/10 − 1/2 =
  5. 5.2/8 + 1/2 =
  6. 6.1/4 + 8/10 =
  7. 7.1/2 + 4/6 =
  8. 8.1/3 + 3/9 =
  9. 9.1/6 + 2/4 =
  10. 10.1/11 + 1/8 =
  11. 11.1/5 + 2/4 =
  12. 12.1/10 + 1/3 =
  13. 13.2/3 + 3/9 =
  14. 14.1/7 + 6/9 =
  15. 15.6/8 + 2/8 =
  16. 16.3/12 + 9/11 =
  17. 17.3/9 + 1/4 =
  18. 18.1/2 + 1/2 =
  19. 19.6/9 + 2/5 =
  20. 20.2/5 + 10/11 =
  21. 21.2/9 + 2/4 =
  22. 22.1/2 − 1/7 =
  23. 23.6/8 + 5/7 =
  24. 24.3/8 + 2/6 =
  25. 25.2/3 − 3/7 =
  26. 26.1/2 + 2/3 =
  27. 27.2/5 − 1/4 =
  28. 28.4/6 − 2/8 =
  29. 29.3/7 + 3/7 =
  30. 30.10/11 + 5/7 =
  31. 31.5/8 − 3/9 =
  32. 32.5/10 + 1/5 =
  33. 33.7/9 + 3/11 =
  34. 34.4/9 − 2/10 =
  35. 35.4/5 + 1/7 =
  36. 36.10/11 + 8/11 =
  37. 37.1/8 + 1/10 =
  38. 38.7/8 + 3/6 =
  39. 39.3/11 + 1/6 =
  40. 40.1/10 + 3/7 =

Answer key

  1. 1
  2. 27/56
  3. 19/22
  4. 3/10
  5. 3/4
  6. 21/20
  7. 7/6
  8. 2/3
  9. 2/3
  10. 19/88
  11. 7/10
  12. 13/30
  13. 1
  14. 17/21
  15. 1
  16. 47/44
  17. 7/12
  18. 1
  19. 16/15
  20. 72/55
  21. 13/18
  22. 5/14
  23. 41/28
  24. 17/24
  25. 5/21
  26. 7/6
  27. 3/20
  28. 5/12
  29. 6/7
  30. 125/77
  31. 7/24
  32. 7/10
  33. 104/99
  34. 11/45
  35. 33/35
  36. 18/11
  37. 9/40
  38. 11/8
  39. 29/66
  40. 37/70

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