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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 315 · 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. 1.8/9 + 2/3 =
  2. 2.1/2 − 1/3 =
  3. 3.1/10 + 3/10 =
  4. 4.6/7 − 5/9 =
  5. 5.1/7 + 3/11 =
  6. 6.4/10 + 1/2 =
  7. 7.4/7 + 2/10 =
  8. 8.2/3 + 2/4 =
  9. 9.4/7 − 2/5 =
  10. 10.1/3 + 3/4 =
  11. 11.7/10 + 3/8 =
  12. 12.3/9 + 2/4 =
  13. 13.6/10 + 7/8 =
  14. 14.1/2 + 1/3 =
  15. 15.4/6 + 6/12 =
  16. 16.5/11 − 1/3 =
  17. 17.7/10 − 1/2 =
  18. 18.9/12 + 6/12 =
  19. 19.2/3 + 2/11 =
  20. 20.10/12 − 3/5 =
  21. 21.2/11 + 2/3 =
  22. 22.11/12 − 2/9 =
  23. 23.5/9 + 1/2 =
  24. 24.5/8 − 3/8 =
  25. 25.2/5 + 5/9 =
  26. 26.2/4 + 1/3 =
  27. 27.4/7 − 1/4 =
  28. 28.1/3 + 2/7 =
  29. 29.1/6 + 5/10 =
  30. 30.5/12 + 1/5 =
  31. 31.5/7 − 1/2 =
  32. 32.9/12 + 1/4 =
  33. 33.8/12 − 2/8 =
  34. 34.1/2 + 5/7 =
  35. 35.4/7 + 1/11 =
  36. 36.2/4 + 2/4 =
  37. 37.3/6 + 8/10 =
  38. 38.2/8 + 7/9 =
  39. 39.1/8 + 2/3 =
  40. 40.8/9 − 1/4 =

Answer key

  1. 14/9
  2. 1/6
  3. 2/5
  4. 19/63
  5. 32/77
  6. 9/10
  7. 27/35
  8. 7/6
  9. 6/35
  10. 13/12
  11. 43/40
  12. 5/6
  13. 59/40
  14. 5/6
  15. 7/6
  16. 4/33
  17. 1/5
  18. 5/4
  19. 28/33
  20. 7/30
  21. 28/33
  22. 25/36
  23. 19/18
  24. 1/4
  25. 43/45
  26. 5/6
  27. 9/28
  28. 13/21
  29. 2/3
  30. 37/60
  31. 3/14
  32. 1
  33. 5/12
  34. 17/14
  35. 51/77
  36. 1
  37. 13/10
  38. 37/36
  39. 19/24
  40. 23/36

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