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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 560 · 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. 1.2/10 + 1/2 =
  2. 2.10/11 + 9/10 =
  3. 3.6/9 + 6/7 =
  4. 4.1/8 + 1/2 =
  5. 5.2/3 + 1/6 =
  6. 6.1/6 + 1/3 =
  7. 7.8/12 + 2/11 =
  8. 8.2/6 + 3/9 =
  9. 9.4/6 + 3/8 =
  10. 10.4/10 + 5/8 =
  11. 11.3/6 − 3/9 =
  12. 12.1/8 − 1/10 =
  13. 13.3/11 + 3/4 =
  14. 14.1/5 + 2/10 =
  15. 15.7/9 + 4/6 =
  16. 16.7/12 − 1/3 =
  17. 17.9/11 + 2/9 =
  18. 18.2/7 + 5/6 =
  19. 19.1/2 + 1/4 =
  20. 20.1/2 + 9/10 =
  21. 21.2/7 + 3/4 =
  22. 22.1/2 + 3/4 =
  23. 23.3/4 + 2/4 =
  24. 24.1/2 + 2/7 =
  25. 25.2/6 + 1/4 =
  26. 26.7/11 − 1/2 =
  27. 27.3/10 − 2/12 =
  28. 28.7/11 + 1/3 =
  29. 29.2/10 + 4/5 =
  30. 30.1/10 + 5/8 =
  31. 31.4/10 − 2/10 =
  32. 32.1/2 + 5/11 =
  33. 33.6/7 + 3/10 =
  34. 34.6/7 + 1/10 =
  35. 35.3/5 − 2/4 =
  36. 36.2/5 + 6/11 =
  37. 37.1/12 + 6/9 =
  38. 38.4/6 − 5/8 =
  39. 39.9/11 + 1/3 =
  40. 40.2/8 − 1/5 =

Answer key

  1. 7/10
  2. 199/110
  3. 32/21
  4. 5/8
  5. 5/6
  6. 1/2
  7. 28/33
  8. 2/3
  9. 25/24
  10. 41/40
  11. 1/6
  12. 1/40
  13. 45/44
  14. 2/5
  15. 13/9
  16. 1/4
  17. 103/99
  18. 47/42
  19. 3/4
  20. 7/5
  21. 29/28
  22. 5/4
  23. 5/4
  24. 11/14
  25. 7/12
  26. 3/22
  27. 2/15
  28. 32/33
  29. 1
  30. 29/40
  31. 1/5
  32. 21/22
  33. 81/70
  34. 67/70
  35. 1/10
  36. 52/55
  37. 3/4
  38. 1/24
  39. 38/33
  40. 1/20

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