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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 695 · 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. 1.6/10 + 1/4 =
  2. 2.2/6 − 3/10 =
  3. 3.1/8 + 2/3 =
  4. 4.1/3 + 4/11 =
  5. 5.3/6 − 1/6 =
  6. 6.3/9 + 1/4 =
  7. 7.5/9 − 5/10 =
  8. 8.5/6 + 2/4 =
  9. 9.5/8 − 3/5 =
  10. 10.1/3 + 2/4 =
  11. 11.5/7 + 7/8 =
  12. 12.7/11 − 4/7 =
  13. 13.1/2 + 3/4 =
  14. 14.6/7 + 5/11 =
  15. 15.5/12 + 3/4 =
  16. 16.3/9 + 1/2 =
  17. 17.7/9 − 1/6 =
  18. 18.1/4 + 3/4 =
  19. 19.5/8 + 5/11 =
  20. 20.5/7 − 1/3 =
  21. 21.11/12 − 1/2 =
  22. 22.4/5 − 1/6 =
  23. 23.1/2 + 1/2 =
  24. 24.2/5 + 9/10 =
  25. 25.6/9 + 2/3 =
  26. 26.1/9 + 7/11 =
  27. 27.5/10 + 3/12 =
  28. 28.1/2 + 6/8 =
  29. 29.2/6 − 1/8 =
  30. 30.4/10 − 3/8 =
  31. 31.7/9 + 7/8 =
  32. 32.9/10 + 7/12 =
  33. 33.10/11 − 2/4 =
  34. 34.3/9 + 2/11 =
  35. 35.6/7 − 4/10 =
  36. 36.7/9 + 1/2 =
  37. 37.1/5 + 1/11 =
  38. 38.5/12 − 3/9 =
  39. 39.5/10 − 2/5 =
  40. 40.1/3 + 2/10 =

Answer key

  1. 17/20
  2. 1/30
  3. 19/24
  4. 23/33
  5. 1/3
  6. 7/12
  7. 1/18
  8. 4/3
  9. 1/40
  10. 5/6
  11. 89/56
  12. 5/77
  13. 5/4
  14. 101/77
  15. 7/6
  16. 5/6
  17. 11/18
  18. 1
  19. 95/88
  20. 8/21
  21. 5/12
  22. 19/30
  23. 1
  24. 13/10
  25. 4/3
  26. 74/99
  27. 3/4
  28. 5/4
  29. 5/24
  30. 1/40
  31. 119/72
  32. 89/60
  33. 9/22
  34. 17/33
  35. 16/35
  36. 23/18
  37. 16/55
  38. 1/12
  39. 1/10
  40. 8/15

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