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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 624 · 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. 1.5/8 + 10/11 =
  2. 2.1/3 − 3/10 =
  3. 3.1/3 + 3/7 =
  4. 4.1/2 + 2/12 =
  5. 5.1/9 + 2/4 =
  6. 6.1/10 + 2/7 =
  7. 7.1/4 + 5/6 =
  8. 8.3/4 − 7/10 =
  9. 9.3/7 + 11/12 =
  10. 10.6/8 − 1/2 =
  11. 11.3/9 + 4/5 =
  12. 12.2/3 + 1/2 =
  13. 13.1/5 + 1/2 =
  14. 14.4/10 + 1/2 =
  15. 15.6/9 + 7/9 =
  16. 16.2/11 + 6/7 =
  17. 17.1/7 + 3/8 =
  18. 18.1/5 + 4/8 =
  19. 19.1/7 + 1/4 =
  20. 20.1/5 + 7/11 =
  21. 21.1/3 + 2/6 =
  22. 22.6/11 − 3/6 =
  23. 23.2/3 − 3/11 =
  24. 24.1/2 + 8/9 =
  25. 25.8/9 + 2/11 =
  26. 26.4/5 + 1/5 =
  27. 27.1/3 − 2/10 =
  28. 28.1/2 − 1/6 =
  29. 29.9/12 − 1/12 =
  30. 30.2/5 + 1/2 =
  31. 31.1/4 + 3/4 =
  32. 32.9/11 + 1/2 =
  33. 33.1/2 + 1/2 =
  34. 34.1/3 − 2/11 =
  35. 35.2/9 + 2/7 =
  36. 36.4/10 − 1/6 =
  37. 37.3/4 − 2/3 =
  38. 38.1/2 + 2/7 =
  39. 39.1/3 + 6/7 =
  40. 40.1/2 − 3/7 =

Answer key

  1. 135/88
  2. 1/30
  3. 16/21
  4. 2/3
  5. 11/18
  6. 27/70
  7. 13/12
  8. 1/20
  9. 113/84
  10. 1/4
  11. 17/15
  12. 7/6
  13. 7/10
  14. 9/10
  15. 13/9
  16. 80/77
  17. 29/56
  18. 7/10
  19. 11/28
  20. 46/55
  21. 2/3
  22. 1/22
  23. 13/33
  24. 25/18
  25. 106/99
  26. 1
  27. 2/15
  28. 1/3
  29. 2/3
  30. 9/10
  31. 1
  32. 29/22
  33. 1
  34. 5/33
  35. 32/63
  36. 7/30
  37. 1/12
  38. 11/14
  39. 25/21
  40. 1/14

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