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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 152 · 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. 1.3/6 + 5/6 =
  2. 2.10/11 − 9/12 =
  3. 3.1/3 + 6/10 =
  4. 4.1/2 + 2/3 =
  5. 5.3/7 − 3/8 =
  6. 6.1/5 − 2/11 =
  7. 7.3/4 + 2/3 =
  8. 8.3/4 + 3/4 =
  9. 9.1/2 − 1/8 =
  10. 10.4/5 − 3/4 =
  11. 11.5/9 + 1/2 =
  12. 12.3/5 − 1/3 =
  13. 13.4/6 + 3/4 =
  14. 14.2/5 + 1/7 =
  15. 15.7/10 − 1/5 =
  16. 16.3/8 − 1/3 =
  17. 17.1/7 + 6/8 =
  18. 18.6/10 − 1/5 =
  19. 19.1/3 + 3/9 =
  20. 20.2/4 + 2/4 =
  21. 21.1/2 + 1/10 =
  22. 22.2/6 + 3/10 =
  23. 23.1/2 + 1/3 =
  24. 24.7/8 + 3/4 =
  25. 25.6/8 − 3/7 =
  26. 26.4/6 + 2/9 =
  27. 27.1/2 − 2/9 =
  28. 28.4/5 + 1/7 =
  29. 29.2/7 − 1/7 =
  30. 30.5/6 − 1/2 =
  31. 31.2/3 + 6/11 =
  32. 32.2/3 + 5/6 =
  33. 33.2/4 + 7/8 =
  34. 34.3/7 + 1/4 =
  35. 35.1/2 − 1/8 =
  36. 36.8/10 − 2/6 =
  37. 37.6/8 − 3/7 =
  38. 38.8/11 + 5/9 =
  39. 39.2/5 + 4/8 =
  40. 40.2/5 + 2/8 =

Answer key

  1. 4/3
  2. 7/44
  3. 14/15
  4. 7/6
  5. 3/56
  6. 1/55
  7. 17/12
  8. 3/2
  9. 3/8
  10. 1/20
  11. 19/18
  12. 4/15
  13. 17/12
  14. 19/35
  15. 1/2
  16. 1/24
  17. 25/28
  18. 2/5
  19. 2/3
  20. 1
  21. 3/5
  22. 19/30
  23. 5/6
  24. 13/8
  25. 9/28
  26. 8/9
  27. 5/18
  28. 33/35
  29. 1/7
  30. 1/3
  31. 40/33
  32. 3/2
  33. 11/8
  34. 19/28
  35. 3/8
  36. 7/15
  37. 9/28
  38. 127/99
  39. 9/10
  40. 13/20

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