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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 155 · 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. 1.2/5 + 3/4 =
  2. 2.2/5 + 1/12 =
  3. 3.7/8 + 2/6 =
  4. 4.1/2 + 1/5 =
  5. 5.5/11 + 9/12 =
  6. 6.5/6 − 1/12 =
  7. 7.7/9 + 4/10 =
  8. 8.4/5 + 7/10 =
  9. 9.3/4 + 6/10 =
  10. 10.9/12 + 1/2 =
  11. 11.3/4 − 1/2 =
  12. 12.1/2 + 5/7 =
  13. 13.3/10 + 9/10 =
  14. 14.2/6 + 8/9 =
  15. 15.7/10 − 4/12 =
  16. 16.5/6 + 1/10 =
  17. 17.8/12 + 5/7 =
  18. 18.2/10 + 1/12 =
  19. 19.6/7 + 5/7 =
  20. 20.1/2 + 2/5 =
  21. 21.1/2 − 1/5 =
  22. 22.1/2 + 10/12 =
  23. 23.8/10 − 6/8 =
  24. 24.1/2 + 3/8 =
  25. 25.1/5 + 4/7 =
  26. 26.3/7 − 1/3 =
  27. 27.3/7 + 3/5 =
  28. 28.1/5 + 1/2 =
  29. 29.6/9 + 4/11 =
  30. 30.2/5 + 3/10 =
  31. 31.10/12 − 8/11 =
  32. 32.4/12 + 7/8 =
  33. 33.2/7 + 1/5 =
  34. 34.4/8 + 2/5 =
  35. 35.7/8 − 4/9 =
  36. 36.1/7 + 6/11 =
  37. 37.2/3 + 6/7 =
  38. 38.6/11 + 7/9 =
  39. 39.2/3 + 1/3 =
  40. 40.3/4 + 1/3 =

Answer key

  1. 23/20
  2. 29/60
  3. 29/24
  4. 7/10
  5. 53/44
  6. 3/4
  7. 53/45
  8. 3/2
  9. 27/20
  10. 5/4
  11. 1/4
  12. 17/14
  13. 6/5
  14. 11/9
  15. 11/30
  16. 14/15
  17. 29/21
  18. 17/60
  19. 11/7
  20. 9/10
  21. 3/10
  22. 4/3
  23. 1/20
  24. 7/8
  25. 27/35
  26. 2/21
  27. 36/35
  28. 7/10
  29. 34/33
  30. 7/10
  31. 7/66
  32. 29/24
  33. 17/35
  34. 9/10
  35. 31/72
  36. 53/77
  37. 32/21
  38. 131/99
  39. 1
  40. 13/12

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