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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 293 · 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. 1.1/2 − 4/10 =
  2. 2.2/10 + 4/7 =
  3. 3.2/8 − 1/12 =
  4. 4.1/12 + 1/6 =
  5. 5.10/11 − 1/2 =
  6. 6.2/3 + 2/3 =
  7. 7.2/9 + 6/10 =
  8. 8.1/2 + 1/2 =
  9. 9.1/10 + 7/11 =
  10. 10.6/11 − 1/3 =
  11. 11.2/4 + 1/2 =
  12. 12.2/4 − 3/9 =
  13. 13.2/3 + 4/9 =
  14. 14.10/12 + 1/5 =
  15. 15.8/10 − 5/10 =
  16. 16.1/4 − 1/5 =
  17. 17.5/8 + 1/8 =
  18. 18.10/11 − 3/12 =
  19. 19.4/6 + 8/11 =
  20. 20.1/3 + 2/10 =
  21. 21.7/9 − 2/4 =
  22. 22.4/8 − 2/7 =
  23. 23.1/2 + 7/8 =
  24. 24.3/4 + 3/9 =
  25. 25.1/2 + 7/10 =
  26. 26.6/8 − 1/4 =
  27. 27.5/10 − 3/11 =
  28. 28.6/7 + 3/8 =
  29. 29.9/12 + 1/3 =
  30. 30.4/7 + 6/9 =
  31. 31.1/2 − 2/12 =
  32. 32.2/3 + 6/10 =
  33. 33.2/5 − 1/6 =
  34. 34.6/10 − 4/7 =
  35. 35.2/8 + 11/12 =
  36. 36.2/8 + 1/2 =
  37. 37.2/4 + 6/12 =
  38. 38.7/9 + 3/4 =
  39. 39.2/5 + 3/12 =
  40. 40.1/11 + 1/2 =

Answer key

  1. 1/10
  2. 27/35
  3. 1/6
  4. 1/4
  5. 9/22
  6. 4/3
  7. 37/45
  8. 1
  9. 81/110
  10. 7/33
  11. 1
  12. 1/6
  13. 10/9
  14. 31/30
  15. 3/10
  16. 1/20
  17. 3/4
  18. 29/44
  19. 46/33
  20. 8/15
  21. 5/18
  22. 3/14
  23. 11/8
  24. 13/12
  25. 6/5
  26. 1/2
  27. 5/22
  28. 69/56
  29. 13/12
  30. 26/21
  31. 1/3
  32. 19/15
  33. 7/30
  34. 1/35
  35. 7/6
  36. 3/4
  37. 1
  38. 55/36
  39. 13/20
  40. 13/22

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