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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 120 · 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. 1.1/3 + 1/8 =
  2. 2.2/3 + 3/5 =
  3. 3.6/8 + 2/3 =
  4. 4.7/12 + 3/5 =
  5. 5.4/6 + 6/7 =
  6. 6.2/8 + 1/4 =
  7. 7.4/10 + 2/4 =
  8. 8.10/11 − 2/3 =
  9. 9.1/2 + 2/10 =
  10. 10.7/9 + 9/12 =
  11. 11.2/11 − 1/7 =
  12. 12.2/3 − 1/4 =
  13. 13.3/11 + 1/2 =
  14. 14.3/5 + 3/7 =
  15. 15.6/7 + 2/7 =
  16. 16.3/4 − 1/2 =
  17. 17.1/6 + 1/2 =
  18. 18.4/6 + 4/7 =
  19. 19.4/7 − 1/5 =
  20. 20.2/3 − 4/9 =
  21. 21.3/10 + 1/2 =
  22. 22.6/10 + 6/12 =
  23. 23.6/8 + 5/6 =
  24. 24.10/11 − 2/4 =
  25. 25.1/4 + 3/7 =
  26. 26.8/12 − 3/6 =
  27. 27.5/10 + 3/5 =
  28. 28.3/5 + 1/3 =
  29. 29.4/5 + 3/4 =
  30. 30.1/2 − 1/9 =
  31. 31.3/6 + 11/12 =
  32. 32.2/3 + 6/8 =
  33. 33.4/7 + 2/4 =
  34. 34.8/9 − 4/6 =
  35. 35.3/4 + 3/4 =
  36. 36.4/6 + 2/4 =
  37. 37.3/5 + 1/2 =
  38. 38.2/12 + 3/4 =
  39. 39.1/7 + 1/5 =
  40. 40.1/8 + 2/11 =

Answer key

  1. 11/24
  2. 19/15
  3. 17/12
  4. 71/60
  5. 32/21
  6. 1/2
  7. 9/10
  8. 8/33
  9. 7/10
  10. 55/36
  11. 3/77
  12. 5/12
  13. 17/22
  14. 36/35
  15. 8/7
  16. 1/4
  17. 2/3
  18. 26/21
  19. 13/35
  20. 2/9
  21. 4/5
  22. 11/10
  23. 19/12
  24. 9/22
  25. 19/28
  26. 1/6
  27. 11/10
  28. 14/15
  29. 31/20
  30. 7/18
  31. 17/12
  32. 17/12
  33. 15/14
  34. 2/9
  35. 3/2
  36. 7/6
  37. 11/10
  38. 11/12
  39. 12/35
  40. 27/88

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