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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 274 · 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. 1.4/5 − 1/11 =
  2. 2.2/3 − 2/4 =
  3. 3.4/12 + 3/4 =
  4. 4.5/6 + 3/4 =
  5. 5.6/9 − 1/9 =
  6. 6.8/11 + 1/5 =
  7. 7.1/10 + 2/10 =
  8. 8.1/3 − 1/4 =
  9. 9.5/7 − 1/3 =
  10. 10.6/12 + 1/2 =
  11. 11.6/8 + 1/6 =
  12. 12.6/10 + 1/7 =
  13. 13.7/8 − 3/6 =
  14. 14.9/10 + 1/3 =
  15. 15.3/11 + 1/3 =
  16. 16.2/5 + 1/4 =
  17. 17.8/9 − 1/7 =
  18. 18.1/5 + 3/9 =
  19. 19.6/9 + 8/11 =
  20. 20.7/8 + 1/9 =
  21. 21.5/11 + 1/5 =
  22. 22.3/6 − 2/5 =
  23. 23.3/9 + 4/7 =
  24. 24.4/7 + 5/11 =
  25. 25.3/8 + 1/11 =
  26. 26.2/3 − 1/2 =
  27. 27.10/11 + 3/6 =
  28. 28.1/2 − 1/3 =
  29. 29.3/11 + 1/2 =
  30. 30.4/7 − 1/2 =
  31. 31.7/12 + 1/6 =
  32. 32.1/8 + 2/6 =
  33. 33.5/6 + 1/12 =
  34. 34.10/11 + 2/4 =
  35. 35.2/3 − 1/3 =
  36. 36.1/2 + 7/9 =
  37. 37.6/8 − 1/2 =
  38. 38.1/3 + 1/3 =
  39. 39.5/7 − 1/2 =
  40. 40.2/6 + 6/12 =

Answer key

  1. 39/55
  2. 1/6
  3. 13/12
  4. 19/12
  5. 5/9
  6. 51/55
  7. 3/10
  8. 1/12
  9. 8/21
  10. 1
  11. 11/12
  12. 26/35
  13. 3/8
  14. 37/30
  15. 20/33
  16. 13/20
  17. 47/63
  18. 8/15
  19. 46/33
  20. 71/72
  21. 36/55
  22. 1/10
  23. 19/21
  24. 79/77
  25. 41/88
  26. 1/6
  27. 31/22
  28. 1/6
  29. 17/22
  30. 1/14
  31. 3/4
  32. 11/24
  33. 11/12
  34. 31/22
  35. 1/3
  36. 23/18
  37. 1/4
  38. 2/3
  39. 3/14
  40. 5/6

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