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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 953 · 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. 1.8/10 + 4/7 =
  2. 2.3/4 + 6/11 =
  3. 3.5/7 − 1/6 =
  4. 4.7/8 − 3/5 =
  5. 5.4/10 + 1/3 =
  6. 6.2/3 + 1/2 =
  7. 7.1/2 − 3/7 =
  8. 8.1/3 + 3/8 =
  9. 9.1/3 + 8/9 =
  10. 10.6/7 + 1/2 =
  11. 11.4/6 + 2/3 =
  12. 12.6/8 + 3/4 =
  13. 13.5/10 + 5/12 =
  14. 14.3/5 − 2/9 =
  15. 15.1/3 − 2/10 =
  16. 16.1/9 + 1/2 =
  17. 17.3/9 − 2/9 =
  18. 18.2/4 + 1/3 =
  19. 19.3/4 + 3/12 =
  20. 20.3/4 + 1/10 =
  21. 21.9/10 − 1/3 =
  22. 22.2/7 + 2/6 =
  23. 23.1/6 + 1/7 =
  24. 24.5/6 + 7/11 =
  25. 25.1/5 − 1/7 =
  26. 26.8/11 − 4/7 =
  27. 27.1/6 + 2/11 =
  28. 28.7/8 + 1/3 =
  29. 29.2/3 + 1/3 =
  30. 30.1/2 + 8/9 =
  31. 31.2/7 − 1/4 =
  32. 32.6/9 − 2/4 =
  33. 33.4/6 + 10/12 =
  34. 34.2/5 + 2/10 =
  35. 35.5/7 + 1/8 =
  36. 36.3/4 − 1/7 =
  37. 37.6/10 + 3/5 =
  38. 38.1/2 + 3/8 =
  39. 39.3/7 + 7/9 =
  40. 40.7/11 − 4/8 =

Answer key

  1. 48/35
  2. 57/44
  3. 23/42
  4. 11/40
  5. 11/15
  6. 7/6
  7. 1/14
  8. 17/24
  9. 11/9
  10. 19/14
  11. 4/3
  12. 3/2
  13. 11/12
  14. 17/45
  15. 2/15
  16. 11/18
  17. 1/9
  18. 5/6
  19. 1
  20. 17/20
  21. 17/30
  22. 13/21
  23. 13/42
  24. 97/66
  25. 2/35
  26. 12/77
  27. 23/66
  28. 29/24
  29. 1
  30. 25/18
  31. 1/28
  32. 1/6
  33. 3/2
  34. 3/5
  35. 47/56
  36. 17/28
  37. 6/5
  38. 7/8
  39. 76/63
  40. 3/22

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