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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 373 · 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. 1.1/7 + 6/11 =
  2. 2.5/7 + 3/4 =
  3. 3.6/10 + 1/4 =
  4. 4.1/2 + 2/12 =
  5. 5.2/7 − 1/5 =
  6. 6.4/5 + 3/4 =
  7. 7.7/11 − 1/2 =
  8. 8.4/6 − 2/4 =
  9. 9.7/10 + 3/10 =
  10. 10.2/10 − 1/6 =
  11. 11.1/2 + 1/2 =
  12. 12.2/5 − 1/3 =
  13. 13.3/11 + 5/8 =
  14. 14.3/6 + 4/10 =
  15. 15.6/8 − 1/4 =
  16. 16.7/11 + 1/8 =
  17. 17.6/10 + 2/6 =
  18. 18.1/4 + 1/3 =
  19. 19.1/2 + 1/2 =
  20. 20.4/5 − 1/4 =
  21. 21.5/12 − 2/5 =
  22. 22.1/2 − 2/10 =
  23. 23.6/8 + 1/6 =
  24. 24.2/3 + 6/8 =
  25. 25.2/9 + 1/10 =
  26. 26.4/5 + 4/5 =
  27. 27.3/12 + 3/5 =
  28. 28.3/5 + 3/5 =
  29. 29.6/8 + 2/9 =
  30. 30.1/2 + 5/6 =
  31. 31.2/5 − 1/6 =
  32. 32.1/4 − 1/8 =
  33. 33.6/12 + 3/6 =
  34. 34.1/6 − 1/7 =
  35. 35.2/10 + 6/7 =
  36. 36.3/9 + 1/5 =
  37. 37.4/12 + 2/6 =
  38. 38.6/7 + 1/7 =
  39. 39.1/2 − 1/4 =
  40. 40.3/8 − 1/3 =

Answer key

  1. 53/77
  2. 41/28
  3. 17/20
  4. 2/3
  5. 3/35
  6. 31/20
  7. 3/22
  8. 1/6
  9. 1
  10. 1/30
  11. 1
  12. 1/15
  13. 79/88
  14. 9/10
  15. 1/2
  16. 67/88
  17. 14/15
  18. 7/12
  19. 1
  20. 11/20
  21. 1/60
  22. 3/10
  23. 11/12
  24. 17/12
  25. 29/90
  26. 8/5
  27. 17/20
  28. 6/5
  29. 35/36
  30. 4/3
  31. 7/30
  32. 1/8
  33. 1
  34. 1/42
  35. 37/35
  36. 8/15
  37. 2/3
  38. 1
  39. 1/4
  40. 1/24

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