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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 510 · 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. 1.5/6 + 1/2 =
  2. 2.6/8 − 4/10 =
  3. 3.4/6 − 1/5 =
  4. 4.10/12 − 1/8 =
  5. 5.8/12 + 9/12 =
  6. 6.4/5 + 1/2 =
  7. 7.5/7 − 2/4 =
  8. 8.4/12 − 1/4 =
  9. 9.3/5 − 1/10 =
  10. 10.6/11 + 6/7 =
  11. 11.3/8 + 2/6 =
  12. 12.1/2 − 3/9 =
  13. 13.3/6 + 3/12 =
  14. 14.1/2 − 1/5 =
  15. 15.2/3 + 6/11 =
  16. 16.7/8 − 2/10 =
  17. 17.3/7 + 1/2 =
  18. 18.3/7 + 2/5 =
  19. 19.1/3 + 3/10 =
  20. 20.6/10 + 2/12 =
  21. 21.2/4 − 1/3 =
  22. 22.7/10 + 8/11 =
  23. 23.1/2 − 1/10 =
  24. 24.4/7 + 2/7 =
  25. 25.2/9 + 3/7 =
  26. 26.1/3 − 1/4 =
  27. 27.2/6 + 2/9 =
  28. 28.3/5 + 1/2 =
  29. 29.1/4 + 1/9 =
  30. 30.4/11 − 3/12 =
  31. 31.3/5 + 9/11 =
  32. 32.7/9 + 2/3 =
  33. 33.5/8 − 2/4 =
  34. 34.3/5 + 3/6 =
  35. 35.3/4 + 1/3 =
  36. 36.2/4 − 1/4 =
  37. 37.2/7 + 1/4 =
  38. 38.3/4 + 8/10 =
  39. 39.3/10 + 2/10 =
  40. 40.11/12 + 8/9 =

Answer key

  1. 4/3
  2. 7/20
  3. 7/15
  4. 17/24
  5. 17/12
  6. 13/10
  7. 3/14
  8. 1/12
  9. 1/2
  10. 108/77
  11. 17/24
  12. 1/6
  13. 3/4
  14. 3/10
  15. 40/33
  16. 27/40
  17. 13/14
  18. 29/35
  19. 19/30
  20. 23/30
  21. 1/6
  22. 157/110
  23. 2/5
  24. 6/7
  25. 41/63
  26. 1/12
  27. 5/9
  28. 11/10
  29. 13/36
  30. 5/44
  31. 78/55
  32. 13/9
  33. 1/8
  34. 11/10
  35. 13/12
  36. 1/4
  37. 15/28
  38. 31/20
  39. 1/2
  40. 65/36

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