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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 926 · 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. 1.4/5 + 6/10 =
  2. 2.1/12 + 1/3 =
  3. 3.4/11 − 1/6 =
  4. 4.1/5 + 4/11 =
  5. 5.1/4 − 2/10 =
  6. 6.5/8 − 1/10 =
  7. 7.1/4 + 10/12 =
  8. 8.7/11 − 1/5 =
  9. 9.1/6 + 1/3 =
  10. 10.3/5 − 1/11 =
  11. 11.1/10 + 1/4 =
  12. 12.3/4 − 6/12 =
  13. 13.3/12 + 2/3 =
  14. 14.1/3 + 3/10 =
  15. 15.1/2 + 5/8 =
  16. 16.8/11 + 4/7 =
  17. 17.3/8 + 3/4 =
  18. 18.1/2 − 2/10 =
  19. 19.6/7 + 2/7 =
  20. 20.1/3 + 7/10 =
  21. 21.1/3 − 3/12 =
  22. 22.2/3 + 4/9 =
  23. 23.1/2 + 3/4 =
  24. 24.7/10 + 2/4 =
  25. 25.7/12 + 4/7 =
  26. 26.1/10 + 3/4 =
  27. 27.8/10 − 2/11 =
  28. 28.4/9 + 1/7 =
  29. 29.5/11 + 5/8 =
  30. 30.4/5 − 1/9 =
  31. 31.5/9 − 4/8 =
  32. 32.1/11 + 1/2 =
  33. 33.7/8 − 7/11 =
  34. 34.1/2 − 1/3 =
  35. 35.11/12 − 3/11 =
  36. 36.8/10 + 1/4 =
  37. 37.6/12 + 3/4 =
  38. 38.5/11 + 2/3 =
  39. 39.6/12 + 1/2 =
  40. 40.5/11 + 2/12 =

Answer key

  1. 7/5
  2. 5/12
  3. 13/66
  4. 31/55
  5. 1/20
  6. 21/40
  7. 13/12
  8. 24/55
  9. 1/2
  10. 28/55
  11. 7/20
  12. 1/4
  13. 11/12
  14. 19/30
  15. 9/8
  16. 100/77
  17. 9/8
  18. 3/10
  19. 8/7
  20. 31/30
  21. 1/12
  22. 10/9
  23. 5/4
  24. 6/5
  25. 97/84
  26. 17/20
  27. 34/55
  28. 37/63
  29. 95/88
  30. 31/45
  31. 1/18
  32. 13/22
  33. 21/88
  34. 1/6
  35. 85/132
  36. 21/20
  37. 5/4
  38. 37/33
  39. 1
  40. 41/66

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