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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 784 · 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 − 1/4 =
  2. 2.7/9 + 1/2 =
  3. 3.1/10 + 9/10 =
  4. 4.7/12 − 4/7 =
  5. 5.8/12 + 1/2 =
  6. 6.3/6 + 2/4 =
  7. 7.3/4 + 3/11 =
  8. 8.1/2 − 2/6 =
  9. 9.7/10 + 4/11 =
  10. 10.1/5 + 7/12 =
  11. 11.9/12 + 4/6 =
  12. 12.3/4 − 4/6 =
  13. 13.5/10 + 5/9 =
  14. 14.7/8 − 4/12 =
  15. 15.8/12 + 2/4 =
  16. 16.4/9 + 2/5 =
  17. 17.1/7 − 1/9 =
  18. 18.6/7 − 1/6 =
  19. 19.5/12 + 1/3 =
  20. 20.2/8 + 9/11 =
  21. 21.8/9 − 5/6 =
  22. 22.4/5 − 1/7 =
  23. 23.6/8 − 1/4 =
  24. 24.1/8 + 7/11 =
  25. 25.3/6 − 4/11 =
  26. 26.2/4 + 2/3 =
  27. 27.7/11 + 3/5 =
  28. 28.1/4 + 1/4 =
  29. 29.1/3 + 1/3 =
  30. 30.1/2 − 1/3 =
  31. 31.1/2 − 2/7 =
  32. 32.3/9 + 9/10 =
  33. 33.1/3 + 1/2 =
  34. 34.5/11 + 2/3 =
  35. 35.2/3 + 4/8 =
  36. 36.2/4 + 5/11 =
  37. 37.2/3 + 3/7 =
  38. 38.6/7 + 1/3 =
  39. 39.2/5 + 5/8 =
  40. 40.3/8 + 2/4 =

Answer key

  1. 11/20
  2. 23/18
  3. 1
  4. 1/84
  5. 7/6
  6. 1
  7. 45/44
  8. 1/6
  9. 117/110
  10. 47/60
  11. 17/12
  12. 1/12
  13. 19/18
  14. 13/24
  15. 7/6
  16. 38/45
  17. 2/63
  18. 29/42
  19. 3/4
  20. 47/44
  21. 1/18
  22. 23/35
  23. 1/2
  24. 67/88
  25. 3/22
  26. 7/6
  27. 68/55
  28. 1/2
  29. 2/3
  30. 1/6
  31. 3/14
  32. 37/30
  33. 5/6
  34. 37/33
  35. 7/6
  36. 21/22
  37. 23/21
  38. 25/21
  39. 41/40
  40. 7/8

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