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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 972 · 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. 1.5/12 − 1/5 =
  2. 2.2/4 − 2/9 =
  3. 3.5/10 + 1/7 =
  4. 4.7/10 + 8/11 =
  5. 5.3/6 − 4/11 =
  6. 6.5/11 + 1/3 =
  7. 7.4/5 − 6/12 =
  8. 8.1/3 + 2/7 =
  9. 9.1/5 + 3/4 =
  10. 10.6/8 − 2/5 =
  11. 11.4/5 − 2/7 =
  12. 12.1/3 + 1/4 =
  13. 13.1/2 + 5/6 =
  14. 14.11/12 + 6/8 =
  15. 15.1/3 − 1/9 =
  16. 16.1/9 + 2/6 =
  17. 17.3/4 + 5/6 =
  18. 18.2/3 + 1/2 =
  19. 19.2/12 + 1/10 =
  20. 20.1/10 + 4/8 =
  21. 21.4/12 + 8/10 =
  22. 22.1/2 − 1/3 =
  23. 23.5/6 − 4/7 =
  24. 24.6/7 − 5/6 =
  25. 25.4/8 + 3/4 =
  26. 26.3/7 + 3/7 =
  27. 27.9/11 + 7/8 =
  28. 28.4/12 + 8/10 =
  29. 29.9/12 − 2/3 =
  30. 30.3/7 − 1/3 =
  31. 31.3/5 − 2/11 =
  32. 32.2/10 + 3/7 =
  33. 33.3/6 + 1/5 =
  34. 34.2/4 + 4/5 =
  35. 35.7/12 + 3/5 =
  36. 36.3/11 + 2/5 =
  37. 37.5/8 + 2/3 =
  38. 38.5/7 − 4/9 =
  39. 39.4/5 − 6/9 =
  40. 40.2/4 − 3/12 =

Answer key

  1. 13/60
  2. 5/18
  3. 9/14
  4. 157/110
  5. 3/22
  6. 26/33
  7. 3/10
  8. 13/21
  9. 19/20
  10. 7/20
  11. 18/35
  12. 7/12
  13. 4/3
  14. 5/3
  15. 2/9
  16. 4/9
  17. 19/12
  18. 7/6
  19. 4/15
  20. 3/5
  21. 17/15
  22. 1/6
  23. 11/42
  24. 1/42
  25. 5/4
  26. 6/7
  27. 149/88
  28. 17/15
  29. 1/12
  30. 2/21
  31. 23/55
  32. 22/35
  33. 7/10
  34. 13/10
  35. 71/60
  36. 37/55
  37. 31/24
  38. 17/63
  39. 2/15
  40. 1/4

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