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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 501 · 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. 1.2/8 + 3/4 =
  2. 2.8/12 + 6/11 =
  3. 3.6/8 + 1/9 =
  4. 4.5/9 − 1/3 =
  5. 5.2/3 + 6/9 =
  6. 6.4/10 + 1/5 =
  7. 7.7/11 + 6/7 =
  8. 8.3/5 + 1/6 =
  9. 9.4/10 − 1/4 =
  10. 10.6/8 − 2/3 =
  11. 11.1/6 + 1/5 =
  12. 12.1/10 + 1/7 =
  13. 13.7/8 + 3/11 =
  14. 14.7/11 − 1/10 =
  15. 15.5/6 − 9/12 =
  16. 16.7/12 − 4/7 =
  17. 17.11/12 − 2/5 =
  18. 18.10/11 + 6/7 =
  19. 19.6/12 + 2/3 =
  20. 20.2/3 + 2/5 =
  21. 21.4/8 + 1/2 =
  22. 22.6/10 − 1/11 =
  23. 23.5/7 + 7/11 =
  24. 24.2/4 − 1/5 =
  25. 25.2/3 + 1/11 =
  26. 26.5/11 + 1/7 =
  27. 27.6/9 + 5/7 =
  28. 28.8/9 − 3/7 =
  29. 29.9/11 − 1/10 =
  30. 30.2/3 − 1/3 =
  31. 31.5/10 + 2/9 =
  32. 32.1/3 + 5/8 =
  33. 33.1/3 + 1/3 =
  34. 34.3/4 + 3/12 =
  35. 35.2/3 + 2/8 =
  36. 36.2/4 + 5/7 =
  37. 37.1/6 + 6/9 =
  38. 38.1/2 + 4/9 =
  39. 39.1/3 + 4/9 =
  40. 40.7/9 + 7/11 =

Answer key

  1. 1
  2. 40/33
  3. 31/36
  4. 2/9
  5. 4/3
  6. 3/5
  7. 115/77
  8. 23/30
  9. 3/20
  10. 1/12
  11. 11/30
  12. 17/70
  13. 101/88
  14. 59/110
  15. 1/12
  16. 1/84
  17. 31/60
  18. 136/77
  19. 7/6
  20. 16/15
  21. 1
  22. 28/55
  23. 104/77
  24. 3/10
  25. 25/33
  26. 46/77
  27. 29/21
  28. 29/63
  29. 79/110
  30. 1/3
  31. 13/18
  32. 23/24
  33. 2/3
  34. 1
  35. 11/12
  36. 17/14
  37. 5/6
  38. 17/18
  39. 7/9
  40. 140/99

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