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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 402 · 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. 1.4/8 + 5/6 =
  2. 2.11/12 − 1/6 =
  3. 3.1/3 + 2/5 =
  4. 4.1/7 + 1/12 =
  5. 5.1/2 − 3/10 =
  6. 6.2/7 + 1/7 =
  7. 7.9/12 + 1/9 =
  8. 8.6/10 + 1/9 =
  9. 9.1/10 + 1/10 =
  10. 10.4/5 − 2/7 =
  11. 11.7/10 − 6/10 =
  12. 12.1/4 + 1/2 =
  13. 13.4/11 + 2/8 =
  14. 14.2/5 + 1/10 =
  15. 15.4/10 + 3/4 =
  16. 16.2/10 + 4/10 =
  17. 17.3/7 − 2/5 =
  18. 18.3/4 + 1/3 =
  19. 19.5/8 − 4/7 =
  20. 20.8/11 − 2/7 =
  21. 21.2/3 − 3/5 =
  22. 22.2/9 + 2/8 =
  23. 23.10/11 − 4/11 =
  24. 24.2/3 − 4/9 =
  25. 25.3/4 + 4/5 =
  26. 26.5/11 + 2/6 =
  27. 27.3/7 − 1/9 =
  28. 28.5/6 − 1/10 =
  29. 29.3/8 − 1/12 =
  30. 30.3/4 + 1/2 =
  31. 31.10/12 + 4/10 =
  32. 32.1/11 + 1/8 =
  33. 33.2/6 + 4/12 =
  34. 34.6/7 − 1/2 =
  35. 35.1/2 − 1/3 =
  36. 36.4/6 + 4/10 =
  37. 37.1/2 + 1/7 =
  38. 38.3/8 + 3/8 =
  39. 39.4/8 + 1/2 =
  40. 40.2/4 + 4/6 =

Answer key

  1. 4/3
  2. 3/4
  3. 11/15
  4. 19/84
  5. 1/5
  6. 3/7
  7. 31/36
  8. 32/45
  9. 1/5
  10. 18/35
  11. 1/10
  12. 3/4
  13. 27/44
  14. 1/2
  15. 23/20
  16. 3/5
  17. 1/35
  18. 13/12
  19. 3/56
  20. 34/77
  21. 1/15
  22. 17/36
  23. 6/11
  24. 2/9
  25. 31/20
  26. 26/33
  27. 20/63
  28. 11/15
  29. 7/24
  30. 5/4
  31. 37/30
  32. 19/88
  33. 2/3
  34. 5/14
  35. 1/6
  36. 16/15
  37. 9/14
  38. 3/4
  39. 1
  40. 7/6

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