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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 834 · 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. 1.4/7 + 1/3 =
  2. 2.2/12 + 3/6 =
  3. 3.4/6 + 2/3 =
  4. 4.5/7 − 2/8 =
  5. 5.7/12 + 1/2 =
  6. 6.11/12 − 8/10 =
  7. 7.4/6 − 1/5 =
  8. 8.8/12 + 4/11 =
  9. 9.2/3 − 4/7 =
  10. 10.6/8 + 1/6 =
  11. 11.1/2 − 1/5 =
  12. 12.3/4 − 1/3 =
  13. 13.4/9 + 9/10 =
  14. 14.7/12 + 3/5 =
  15. 15.3/6 + 9/12 =
  16. 16.4/5 + 7/9 =
  17. 17.3/4 − 4/7 =
  18. 18.2/9 + 3/8 =
  19. 19.7/9 + 4/7 =
  20. 20.5/6 − 2/8 =
  21. 21.8/9 + 2/9 =
  22. 22.6/8 + 2/3 =
  23. 23.1/4 + 7/8 =
  24. 24.10/12 + 1/3 =
  25. 25.3/5 − 5/10 =
  26. 26.2/3 − 1/6 =
  27. 27.2/8 − 1/7 =
  28. 28.2/6 + 1/8 =
  29. 29.1/3 + 1/6 =
  30. 30.2/6 + 3/6 =
  31. 31.3/5 + 1/2 =
  32. 32.4/10 + 2/3 =
  33. 33.3/5 − 1/4 =
  34. 34.1/4 + 5/7 =
  35. 35.2/4 + 1/2 =
  36. 36.8/9 + 2/7 =
  37. 37.2/5 + 1/2 =
  38. 38.6/9 + 1/2 =
  39. 39.1/4 + 4/6 =
  40. 40.2/9 − 1/8 =

Answer key

  1. 19/21
  2. 2/3
  3. 4/3
  4. 13/28
  5. 13/12
  6. 7/60
  7. 7/15
  8. 34/33
  9. 2/21
  10. 11/12
  11. 3/10
  12. 5/12
  13. 121/90
  14. 71/60
  15. 5/4
  16. 71/45
  17. 5/28
  18. 43/72
  19. 85/63
  20. 7/12
  21. 10/9
  22. 17/12
  23. 9/8
  24. 7/6
  25. 1/10
  26. 1/2
  27. 3/28
  28. 11/24
  29. 1/2
  30. 5/6
  31. 11/10
  32. 16/15
  33. 7/20
  34. 27/28
  35. 1
  36. 74/63
  37. 9/10
  38. 7/6
  39. 11/12
  40. 7/72

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