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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 987 · 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 + 1/4 =
  2. 2.7/11 + 1/2 =
  3. 3.2/7 + 7/8 =
  4. 4.4/6 − 1/2 =
  5. 5.9/11 − 1/12 =
  6. 6.4/6 − 1/5 =
  7. 7.3/4 − 4/10 =
  8. 8.5/6 + 4/6 =
  9. 9.1/2 − 1/4 =
  10. 10.2/3 + 8/9 =
  11. 11.8/12 − 3/7 =
  12. 12.4/10 − 3/12 =
  13. 13.7/9 − 2/4 =
  14. 14.5/9 − 3/6 =
  15. 15.1/2 + 1/2 =
  16. 16.1/3 + 1/7 =
  17. 17.1/2 + 3/4 =
  18. 18.2/12 + 1/3 =
  19. 19.8/9 + 2/3 =
  20. 20.2/3 − 1/11 =
  21. 21.4/5 + 6/7 =
  22. 22.6/7 − 1/4 =
  23. 23.9/11 − 1/5 =
  24. 24.6/10 + 8/10 =
  25. 25.3/5 − 2/8 =
  26. 26.4/7 + 3/10 =
  27. 27.5/12 − 2/8 =
  28. 28.1/6 + 1/6 =
  29. 29.5/10 + 1/2 =
  30. 30.1/2 + 6/7 =
  31. 31.4/6 − 4/10 =
  32. 32.6/7 − 2/9 =
  33. 33.5/7 + 5/8 =
  34. 34.3/5 + 2/7 =
  35. 35.2/8 + 1/5 =
  36. 36.3/7 + 1/2 =
  37. 37.5/6 − 1/4 =
  38. 38.2/3 + 2/5 =
  39. 39.11/12 + 1/4 =
  40. 40.1/12 + 2/8 =

Answer key

  1. 13/20
  2. 25/22
  3. 65/56
  4. 1/6
  5. 97/132
  6. 7/15
  7. 7/20
  8. 3/2
  9. 1/4
  10. 14/9
  11. 5/21
  12. 3/20
  13. 5/18
  14. 1/18
  15. 1
  16. 10/21
  17. 5/4
  18. 1/2
  19. 14/9
  20. 19/33
  21. 58/35
  22. 17/28
  23. 34/55
  24. 7/5
  25. 7/20
  26. 61/70
  27. 1/6
  28. 1/3
  29. 1
  30. 19/14
  31. 4/15
  32. 40/63
  33. 75/56
  34. 31/35
  35. 9/20
  36. 13/14
  37. 7/12
  38. 16/15
  39. 7/6
  40. 1/3

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